To estimate a maximum purchase price for the coin in question, we will consider several factors:

1. Current Condition: The coin has a condition rating of 90 (EF), indicating that it is in quite good shape. This generally translates to a higher price compared to coins in lower conditions.

2. Auction History:
- The average hammer price for similar coins in the past has been 25.71 euros.
- The last auction of a coin with a similar condition (95) had a hammer price of 50 euros, suggesting that coins in good condition can reach higher prices.

3. Price Trends:
- In previous auctions, hammer prices have varied, but there are examples of coins with conditions ranging from 80 to 95 that have sold between 20 and 90 euros.
- The coin in question has a starting price of 15 euros, which is relatively low compared to previous hammer prices.

4. Demand and Supply: Since it has been auctioned 57 times and sold 51 times, there is a steady demand for this coin, which may drive up its price in the next auction.

Based on these factors, an estimated maximum purchase price for the coin in question could be between 40 and 60 euros, considering its good condition and the history of hammer prices. This allows for some margin for competition in the auction and the possibility that other bidders may be interested in the coin.

To estimate a maximum purchase price for the coin in question, we can analyze the provided data, especially the coin's condition and previous auction prices.

1. Current Condition: The coin has a condition of 70 (VF-). This indicates that it is in relatively good shape, but not of the highest quality (UNC).

2. Previous Auction Prices: By looking at the auction prices of coins with a similar condition (70), we can see that the auction prices have varied. For example:
- In the auction on 2020-12-15, a coin with a condition of 70 sold for 50 euros.
- In other auctions, the auction prices for similar conditions have ranged between 36 and 85 euros.

3. Average Auction Price: The average auction price for this coin is 79.63 euros, suggesting that, in general, coins of this reference tend to sell for relatively high prices.

4. Price Trends: It is also important to consider that the current starting price is 12 euros, which is quite low compared to the average auction price. This could indicate a good buying opportunity.

5. Final Estimate: Given that the condition is 70 and considering previous auction prices, an estimated maximum purchase price could be in the range of 70 to 90 euros. This is based on the fact that, although the condition is not the highest, the price history suggests it could reach a higher price at auction.

Therefore, an estimated maximum purchase price for this coin could be 85 euros.

To estimate a maximum purchase price for the coin in question, we will consider several factors:

1. Current Condition: The coin has a condition of 70 (VF-), indicating that it is in acceptable shape but not of high quality. This generally affects the price, as coins in better condition tend to fetch higher prices.

2. Auction History:
- The average hammer price for similar coins has been 93.56 euros.
- In the past, coins with the same condition (70) have sold for hammer prices of 31 euros (2018) and 25 euros (2020).
- There are also examples of coins with higher conditions (such as 80 and 85) that have reached hammer prices of 50 euros and 190 euros, respectively.

3. Starting Price and Estimates:
- The current starting price is 25 euros, which is relatively low compared to the average hammer price.
- The average starting price for similar coins is 78.95 euros, suggesting there is potential for an increase in the hammer price.

4. Recent Trends: In recent auctions, hammer prices have exceeded the starting price, indicating a growing interest in these coins.

Based on these factors, an estimated maximum purchase price for this coin could be between 50 and 80 euros, considering its condition and the history of hammer prices. A price of 70 euros could be a reasonable target, as it is in the middle of this range and reflects both its state and market interest.

To estimate a maximum purchase price for the coin in question, we will consider several factors:

1. Current Condition: The coin has a condition rating of 70 (VF-). This indicates that it is in an acceptable state, but not among the best qualities.

2. Auction History:
- The average hammer price for coins of similar condition (70) in the past has been approximately 51 euros (based on auctions from 2018 and 2023).
- Coins with higher conditions (85 and 95) have reached hammer prices of up to 420 euros, but that does not directly apply to this coin.

3. Starting Price and Average Hammer Price:
- The current starting price is 18 euros, which is quite low compared to the average hammer price of 100.41 euros.
- The average starting price of 62.21 euros also suggests that there is potential for an increase in the hammer price.

4. Sales Trends: The coin has been sold in 38 out of 42 auctions, indicating good demand.

5. Comparison with Previous Prices:
- In previous auctions, coins with a condition of 70 have had hammer prices that vary, but they have generally sold for above 30 euros.

Based on these factors, an estimated maximum purchase price for this coin could be between 50 and 70 euros, considering that the condition is a limiting factor and that the average hammer price for similar conditions has been around 51 euros.

Therefore, a reasonable maximum purchase price could be 70 euros.

To estimate a maximum purchase price for the coin in question, we can consider several factors:

1. Current Condition: The coin has a condition of 70 (VF-), indicating that it is in relatively good shape, but not among the best qualities.

2. Auction History:
- The average hammer price for similar coins in the past is 117.43 euros.
- In previous auctions, we have seen hammer prices that varied significantly, from 8 euros to 300 euros, depending on the condition and other factors.

3. Starting Price and Average Starting Price:
- The current starting price is 18 euros, which is quite low compared to the average hammer price.
- The average starting price of 59.24 euros also suggests that there is potential for an increase in the hammer price.

4. Recent Trends: In the most recent auction, the coin sold for 200 euros with a condition of 85, indicating that there is significant interest in coins of good condition.

5. Condition-Based Estimation: Given that the condition of this coin is 70, we can infer that its hammer price could be in an intermediate range.

Taking all these factors into account, an estimated maximum purchase price could be between 80 and 120 euros. This is based on the hammer price history and the current condition of the coin. A price of 100 euros could be a reasonable target, as it falls in the middle of this range and reflects potential interest in the coin.

To estimate a maximum purchase price for the coin in question, we can consider several factors based on the provided data:

1. Coin Condition: The coin has a condition rating of 80 (MBC+), indicating that it is in quite good shape. This generally translates to a higher price compared to coins with lower conditions.

2. Auction History:
- The average hammer price for this coin is 41.35 euros.
- In previous auctions, we have seen hammer prices that vary significantly, but there are examples of sales in the range of 90 to 150 euros for coins with similar or better conditions.

3. Starting Price and Previous Prices:
- The current starting price is 25 euros, which is relatively low compared to the average hammer price.
- The average starting price in the past has been 29.09 euros, suggesting that the current starting price is competitive.

4. Price Trends:
- In recent auctions, coins with similar conditions have reached hammer prices exceeding 50 euros, and some have reached 90 euros or more.

Based on these factors, an estimated maximum purchase price for this coin could be in the range of 70 to 90 euros. This is based on the hammer price history and the coin's condition, which suggests that collectors would be willing to pay a higher price for a coin in good condition.

To estimate a maximum purchase price for the coin in question, we can consider several factors:

1. Current Condition: The coin has a condition of 70 (VF-), which indicates that it is in an acceptable state, but not of the highest quality.

2. Auction History:
- The average hammer price for coins with a similar condition (70) has been approximately 95 euros in previous auctions.
- In recent auctions, hammer prices for coins with a condition of 70 have ranged between 60 and 135 euros.

3. Starting Price and Average Hammer Price:
- The current starting price is 60 euros, and the average hammer price in the past has been 148.42 euros, suggesting there is potential for an increase in the hammer price.

4. Recent Trends: In the most recent auctions, the hammer price has been higher, reaching up to 460 euros for coins in better condition, but coins with a similar condition to the current one have also sold for lower prices.

Based on these factors, an estimated maximum purchase price for this coin could be in the range of 100 to 130 euros, considering that the condition is a limiting factor and that the hammer price can vary depending on demand at the auction.

Therefore, a reasonable maximum purchase price could be 120 euros.

To estimate a maximum purchase price for the coin in question, we can consider several factors based on the provided data:

1. Current Condition: The coin has a condition of 70 (VF-). This is an important factor, as coins in better condition tend to fetch higher prices.

2. Starting Price and Average Hammer Price: The starting price is 45 euros, and the average hammer price in previous auctions is 133.8 euros. This suggests that, in general, coins of this reference tend to sell for significantly higher prices than their starting price.

3. Sales History: The coin has been auctioned 66 times, of which 63 have been sold. This indicates good demand and a history of successful sales.

4. Previous Prices: Looking at previous hammer prices for coins with a similar condition (70), we can see that they have reached hammer prices of up to 160 euros in the past.

5. Recent Trends: In the most recent auctions, hammer prices for coins of similar condition have varied, but some have reached prices of 140 euros or more.

Based on these factors, an estimated maximum purchase price for this coin could be in the range of 120 to 160 euros, considering that the average hammer price is 133.8 euros and that condition is a key factor.

Therefore, a reasonable estimated maximum purchase price could be 150 euros.

To estimate a maximum purchase price for the coin in question, we can consider several factors:

1. Current Condition: The coin has a condition rating of 30 (BC+), which indicates that it is not in very good shape. This generally reduces its value compared to coins in better condition.

2. Auction History:
- The average hammer price for similar coins in better condition (70 and 75) has been approximately 104.74 euros.
- Previous auctions of this same coin have shown hammer prices that vary, but generally, coins in condition 70 have reached hammer prices of up to 160 euros.

3. Starting Price and Average Starting Price:
- The current starting price is 15 euros, which is significantly lower than the average starting price of 76.07 euros. This could indicate a buying opportunity at a low price.

4. Sales Trends: The coin has been sold in 39 out of 44 auctions, indicating good demand.

Given that the coin's condition is 30, and considering the hammer price history of coins in better condition, an estimated maximum purchase price could be set at a lower range than the average hammer price of coins in better condition.

Estimated Maximum Purchase Price:
We could estimate a maximum purchase price around 50-70 euros, taking into account the current condition and price history. This would allow for a reasonable purchase without exceeding the market value for a coin in this condition.

To estimate a maximum purchase price for the coin in question, we can consider several factors based on the provided data:

1. Current Condition: The coin has a condition rating of 80 (MBC+), indicating that it is in relatively good shape. This generally translates to a higher price compared to coins with lower conditions.

2. Starting Price and Average Hammer Price: The starting price is 70 euros, and the average hammer price in previous auctions is 104.74 euros. This suggests that, on average, similar coins have reached prices above the starting price.

3. Sales History: The coin has been auctioned 44 times, of which 39 have resulted in sales. This indicates good demand and consistent interest in the coin.

4. Previous Prices: Looking at previous hammer prices for coins with similar conditions, we can see that they have reached hammer prices that vary, but some have reached 150 euros or more in similar conditions.

5. Recent Trends: In the most recent auctions, the hammer prices have shown a range that suggests the coin could reach a hammer price above average, especially considering the growing interest in coins of good condition.

Based on these factors, an estimated maximum purchase price for this coin could be in the range of 120 to 150 euros. This is based on the condition, price history, and recent sales trends.

To estimate a maximum purchase price for the coin in question, we can consider several factors based on the provided data:

1. Current Condition: The coin has a condition of 70 (MS-). This is an important factor, as coins in better condition tend to reach higher prices.

2. Previous Prices: By looking at previous auction prices for coins with similar conditions (70 and 75), we can see that:
- In 2020, a coin with a condition of 70 was auctioned for 43 euros.
- In 2018, another coin with a condition of 70 was auctioned for 50 euros.
- In 2022, a coin with a condition of 70 was auctioned for 75 euros.

3. Price Trends: The average auction price for similar coins is 175.17 euros, but this includes coins in better condition. Given that the condition of this coin is 70, it is reasonable to expect that its auction price will be below this average.

4. Starting Price: The starting price is 25 euros, indicating that the auction house expects moderate interest in the coin.

5. Sales History: The coin has been auctioned 47 times, of which 45 have sold. This suggests that there is an active market for this coin.

Based on these factors, an estimated maximum purchase price for this coin could be between 50 and 80 euros, considering that the condition is a limiting factor and that previous auction prices for coins of similar condition have been in that range.

Therefore, a reasonable maximum purchase price could be 70 euros.

To estimate a maximum purchase price for the coin in question, we will consider several factors:

1. Current Condition: The coin has a condition of 30 (BC+). This is relatively low compared to other coins that have been auctioned in the past, where many have higher conditions (70, 80, 90, etc.).

2. Auction History:
- The average hammer price for similar coins is 541.12 euros.
- The average starting price is 464.18 euros.
- In the past, coins with similar conditions have sold for prices that varied considerably, but generally, coins in better condition have reached much higher prices.

3. Previous Prices:
- Previous auctions of coins with conditions between 25 and 30 have had hammer prices ranging from 15 to 320 euros, depending on demand and the rarity of the coin.
- The last auction of a coin with a similar condition (30) had a hammer price of 56 euros.

4. Market Trends: Given that the coin has a starting price of 12 euros, it is likely that collector interest is not very high, which could limit the hammer price.

Based on these factors, an estimated maximum purchase price for this coin could be between 50 and 80 euros, considering that it is a coin with a low condition and that market interest may not be very high. However, if there is particular interest in this specific coin, the price could be higher, but it is unlikely to exceed 100 euros in this condition.

To estimate a maximum purchase price for the coin in question, we can consider several factors based on the provided data:

1. Coin Condition: The coin has a condition rating of 80 (MBC+), indicating that it is in relatively good shape. This suggests that its value should be above that of coins with lower conditions.

2. Previous Auction Prices: By observing the hammer prices of coins with similar conditions (around 80), we can see that the hammer prices have varied. For example:
- In 2018, a coin with a condition of 80 was auctioned for a hammer price of 200 euros.
- In 2022, another coin with a condition of 80 was sold for 95 euros.

3. Average Hammer Price: The average hammer price for this coin is 233.42 euros, indicating that, in general, coins of this reference tend to reach higher prices.

4. Starting Price and Previous Hammer Prices: The current starting price is 40 euros, which is significantly lower than previous hammer prices. This could indicate a good buying opportunity.

5. Auction Trends: Given that there have been 58 previous auctions and 52 sales, demand appears to be high, which may influence the hammer price.

Based on these factors, an estimated maximum purchase price could be in the range of 200 to 300 euros, considering that the average hammer price is 233.42 euros and there are examples of previous sales exceeding 200 euros.

Therefore, a reasonable maximum purchase price could be 250 euros.

To estimate a maximum purchase price for the coin in question, we can consider several factors:

1. Current Condition: The coin has a condition rating of 30 (BC+), indicating that it is not in the best condition. This generally reduces its value compared to coins in better condition.

2. Auction History:
- The average hammer price for this coin in the past has been 187.06 euros.
- The condition of coins auctioned in the past has varied, but there are examples of coins with higher conditions that have reached significantly higher prices (for example, a coin with a condition of 95 was sold for 875 euros).

3. Recent Starting and Hammer Prices:
- The current starting price is 15 euros, which is relatively low.
- In previous auctions, hammer prices have varied, but there are examples of coins with similar conditions that have sold for prices ranging between 15 and 30 euros.

4. Market Trends: Since the coin has been auctioned 40 times and has had a sell-through rate of 97.5%, this suggests that there is consistent interest in this coin, which may influence its price.

Based on these factors, an estimated maximum purchase price for this coin could be between 30 and 50 euros. This takes into account its current condition and the auction price history, as well as the interest in the coin. However, since the starting price is 15 euros, it may be possible to acquire it for a lower price if there is not much competition in the auction.

To estimate a maximum purchase price for the coin in question, we will consider several factors:

1. Current Condition: The coin has a condition of 30 (BC+), which indicates that it is not in the best shape. This generally negatively affects its value.

2. Previous Auction Prices: By observing previous auction prices for coins with a similar condition (30), we can see that auction prices have varied, but generally remained in a low range. For example, in past auctions, the hammer prices for coins with a condition of 30 have been around 12 to 20 euros.

3. Average Hammer Price: The average hammer price for this coin is 137.95 euros, but this includes coins in better condition. For a condition of 30, it is unlikely that this price will be reached.

4. Recent Trends: In the most recent auctions, hammer prices for coins with a similar condition have been in the range of 20 to 40 euros.

5. Starting Price: The starting price is 12 euros, which suggests that the seller has moderate expectations.

Taking all these factors into account, an estimated maximum purchase price for this coin, considering its condition and previous hammer prices, could be in the range of 25 to 35 euros. This reflects a reasonable price that could be achieved at auction, given the sales history and the condition of the coin.

To estimate a maximum purchase price for the coin in question, we will consider several factors:

1. Current Condition: The coin has a condition of 30 (BC+), which indicates that it is not in the best shape. This generally negatively affects its value.

2. Previous Auction Prices: By looking at previous auction prices for coins with a similar condition (30), we can see that auction prices have varied, but they have generally remained in a low range. For example, in past auctions, the hammer prices for coins with a condition of 30 have been between 12 and 15 euros.

3. Average Hammer Price: The average hammer price for this coin is 137.95 euros, but this includes coins in better conditions. Therefore, it is not a good indicator for our particular coin.

4. Recent Trends: In the most recent auctions, hammer prices for coins with a similar condition have been in the range of 12 to 20 euros.

5. Starting Price: The starting price is 12 euros, which suggests that the seller has moderate expectations.

Based on these factors, an estimated maximum purchase price for this coin, considering its condition and previous auction prices, could be in the range of 15 to 20 euros. This reflects a price that is reasonable given its state and market trends.

To estimate a maximum purchase price for the coin in question, we will consider several factors:

1. Coin Condition: The coin has a condition of 25 (BC), which is quite low. This generally implies that the final price will be significantly lower than that of coins in better condition.

2. Historical Data: By observing the final prices of coins with similar conditions, we can see that the final prices for coins in BC (Below Circulation) condition tend to be low. For example, in previous auctions, the final prices for coins with conditions of 30 or 25 have ranged from 15 to 36 euros.

3. Average Final Price: The average final price for this coin in the past has been 128.83 euros, but this includes coins in better conditions. For a coin with a condition of 25, it is reasonable to expect a much lower final price.

4. Starting Price: The starting price is 10 euros, which indicates that the seller is willing to accept a low offer, which may influence the final price.

5. Market Trends: Since the coin has been auctioned 266 times and has had a considerable number of sales (230), this suggests that there is consistent interest in this coin, but the low condition may limit that interest.

Based on these factors, an estimated maximum purchase price for this coin, considering its low condition and historical prices, could be between 15 and 30 euros. This reflects a range that is reasonable for a coin in BC condition, taking into account past auctions and market interest.

To estimate a maximum purchase price for the coin in question, we can consider several factors:

1. Current Condition: The coin has a condition of 30 (BC+), which indicates that it is not in the best condition. This generally reduces its value compared to coins in better condition.

2. Historical Prices: By looking at the auction prices of coins with similar conditions, we can see that the auction prices for coins with a condition of 30 have varied, but they are generally found in a lower range than coins in better condition.

3. Starting Price and Average Hammer Price: The current starting price is 12 euros, and the average hammer price for this coin in the past has been 128.83 euros. However, given that the condition is low, it is unlikely to reach that average price.

4. Recent Trends: In recent auctions, the hammer prices for coins with similar conditions have been in a range of 15 to 36 euros.

Based on these factors, an estimated maximum purchase price for this coin, considering its condition and historical prices, could be between 20 and 30 euros. This reflects a balance between the value of the coin in its current state and the interest of collectors.

To estimate a maximum purchase price for the coin with a grade of 70 (MS-), we can analyze historical data from previous auctions of coins with a similar grade and their hammer prices.

1. Historical Price Analysis:
- In the past, coins with a grade of 70 have had hammer prices that varied. For example:
- In a 2020 auction, a coin with a grade of 70 had a hammer price of 25 euros.
- In another 2020 auction, the hammer price was 31 euros.
- In 2021, the hammer price was 50 euros.
- In 2022, the hammer price was 70 euros.

2. Price Trends:
- Observing the hammer prices, it seems that coins with a grade of 70 tend to sell between 25 and 70 euros, with some peaks in specific auctions.

3. Starting Price and Average Price:
- The current starting price is 15 euros, and the average hammer price in the past has been 128.83 euros, but this includes coins of better grades.

4. Estimation:
- Given that the coin's grade is 70 (MS-), a reasonable hammer price could be in the range of 30 to 70 euros, based on previous auctions.

Conclusion:
An estimated maximum purchase price for this coin, considering its grade and historical prices, could be approximately 60 euros. This is based on the price trend for coins with a similar grade and the current market context.

To estimate a maximum purchase price for the coin in question, we will consider several factors:

1. Coin Condition: The coin has a condition rating of 80 (MBC+), indicating that it is in relatively good shape. This suggests that its value should be above that of coins in worse condition.

2. Previous Auction Prices: By observing the hammer prices of coins with a similar condition (80), we can see that they have reached hammer prices that vary, but generally, the hammer prices for coins in similar conditions have been in the range of 25 to 170 euros, depending on demand and other factors.

3. Average Hammer Price: The average hammer price for this coin is 128.83 euros, which provides a good reference for the expected value.

4. Starting Price and Recent Auction Prices: The current starting price is 30 euros, which is quite low compared to the average hammer price. This suggests that there is potential for the hammer price to be significantly higher.

5. Auction Trends: Since it has been auctioned 266 times and sold 230 times, there is good demand for this coin, which may increase its price at auction.

Based on these factors, an estimated maximum purchase price for this coin could be in the range of 150 to 200 euros, considering that the average hammer price is 128.83 euros and that the condition is good. This also takes into account the possibility that demand in the current auction may be high, which could push the price towards the upper end of this range.