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 the past has been 94.91 euros.
- The coin has been auctioned 96 times, of which it has sold 81 times, indicating good demand.
- Previous hammer prices for coins with similar conditions (30) have varied, but the most recent price of 20 euros (in 2023) may be a good indicator.

3. Starting Price and Average Starting Price:
- The current starting price is 12 euros, which is quite low compared to the average starting price of 77.73 euros for similar coins.

4. Recent Trends:
- In recent auctions, hammer prices for coins with similar conditions have been in the range of 20 to 30 euros.

Based on these factors, an estimated maximum purchase price for this coin could be between 25 and 35 euros, considering that the condition is not optimal and the starting price is relatively low. This also takes into account the price trend in recent auctions and the sales history.

Therefore, a reasonable maximum purchase price could be 30 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 rating of 75 (MBC), indicating that it is in fairly good shape, but not among the highest qualities.

2. Auction History:
- The average hammer price for similar coins in the past is 94.91 euros.
- The coin has been auctioned 96 times, of which it has sold 81 times, indicating good demand.
- Previous hammer prices for coins with similar conditions (around 70-80) have varied, but some examples are:
- 2022-03-10: 55 euros (condition 85)
- 2022-07-07: 60 euros (condition 80)
- 2023-05-23: 80 euros (condition 80)

3. Starting Price and Average Starting Price:
- The current starting price is 18 euros, and the average starting price is 77.73 euros.

4. Recent Trends:
- In the most recent auctions, hammer prices have shown a range that can reach up to 220 euros for higher conditions.

Based on this data, an estimated maximum purchase price for this coin, considering its condition and price history, could be between 80 and 120 euros. This is based on the fact that, although the condition is not the highest, there is good demand and a price history suggesting it could reach a higher price at auction.

Therefore, a reasonable estimated maximum purchase price could be 100 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 rating of 80 (MS+), 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 similar coins has been 94.91 euros.
- In the past, coins with a similar condition (around 80) have had hammer prices that varied, but some relevant examples are:
- In 2022, a coin with a condition of 80 was sold for 40 euros.
- In 2023, a coin with a condition of 85 was sold for 55 euros.
- In 2022, a coin with a condition of 85 was sold for 130 euros.

3. Starting Price and Average Starting Price:
- The current starting price is 40 euros, and the average starting price for similar coins is 77.73 euros.

4. Recent Trends:
- The price trend appears to be increasing, especially for coins in good condition.

Based on these factors, an estimated maximum purchase price could be between 90 and 120 euros, considering that the condition is good and that the price history shows that similar coins have reached higher prices in recent auctions.

Therefore, a reasonable maximum purchase price could be 100 euros.

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

1. Current Condition: The coin has a grade of 25 (BC), which is relatively low. This will negatively affect its value compared to coins in better condition.

2. Auction History: By observing the hammer prices of coins with similar grades, we can see that the hammer prices for coins graded 25 have been quite low. For example, at the auction on January 18, 2023, a coin with a grade of 25 was sold for 25 euros.

3. Starting and Hammer Prices: The current starting price is 10 euros, and the average hammer price in the past has been 114.55 euros, but this includes coins in better condition.

4. Sales Trends: The coin has been auctioned 110 times, with a high sales percentage (99 out of 110). This indicates a consistent interest in this coin, although its condition may limit the price.

5. Comparison with Previous Prices: In the past, coins with a grade of 25 have had hammer prices ranging from 9 to 25 euros.

Given all this, an estimated maximum purchase price for this coin, considering its condition and price history, could be in the range of 25 to 30 euros. This reflects a price that could be attractive to a buyer, given the state of the coin and the interest in it.

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+). This indicates that it is not in the best condition, which generally negatively affects its value.

2. Historical Prices: By looking at previous auction prices for coins with similar conditions, we can see that prices vary considerably. For example, in past auctions, coins with conditions ranging from 25 to 30 have had hammer prices ranging from 9 to 40 euros.

3. Average Hammer Price: The average hammer price for this coin is 114.55 euros, but this includes coins in better conditions. Given that the condition of this coin is lower, it is unlikely to reach that price.

4. Starting Price and Average Starting Price: The starting price is 12 euros, and the average starting price is 59.77 euros. This suggests that the market has moderate expectations for this coin.

5. Recent Trends: In the most recent auctions, hammer prices for coins with similar conditions have been lower, suggesting that interest may be declining.

Based on these factors, an estimated maximum purchase price for this coin could be between 25 and 35 euros. This reflects a balance between the current condition and historical prices, taking into account that market interest may influence the final price.

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

1. Current Condition: The coin has a grade of 70 (MS-), indicating that it is in an acceptable state, but not among the best qualities.

2. Historical Prices: By looking at previous auction prices for coins with a similar grade (70), we can see that the hammer price has varied. For example:
- In a 2020 auction, a coin with a grade of 70 sold for 18 euros.
- In another auction in 2023, it sold for 20 euros.

3. Average Hammer Price: The average hammer price for this particular coin is 114.55 euros, but this includes coins of different grades. For higher grades, prices can be significantly higher.

4. Starting Price and Estimates: The starting price is 15 euros, and the average starting price is 59.77 euros. This suggests that the market expects the coin could reach a higher price.

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

Based on these factors, an estimated maximum purchase price for the coin with a grade of 70 could be between 25 and 40 euros, considering that the market may be willing to pay a bit more for a coin in an acceptable state.

Therefore, a reasonable maximum purchase price could be 35 euros.

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

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

2. Auction History: By looking at previous auction prices for coins with similar grades, we can see that the highest hammer price for a coin with a grade of 30 was 33 euros. However, most hammer prices for higher grades (such as 70 and 80) are significantly higher.

3. Average Hammer Price: The average hammer price for this coin is 129.31 euros, but this includes coins in better condition. Given that the condition of the coin in question is quite low, it is unlikely to reach that price.

4. Recent Starting and Hammer Prices: In the most recent auctions, starting prices have been low (for example, a starting price of 12 euros with hammer prices of 20-25 euros for similar grades).

5. Market Trends: The coin has been auctioned 68 times, with a sell-through rate of 91% (62 out of 68). This suggests that there is consistent interest in the coin, which could help maintain its value.

Based on these factors, an estimated maximum purchase price for this coin, considering its condition and price history, could be between 25 and 35 euros. This reflects a balance between market interest and the condition of the coin.

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 75 (MBC), which indicates that it is in relatively good shape. This generally translates to a higher price compared to coins with lower conditions.

2. Historical Prices: By looking at previous auction prices for coins with similar conditions, we can see that:
- Coins with a condition of 70 have had auction prices ranging from 18 to 30 euros.
- Coins with a condition of 80 have reached auction prices of up to 95 euros.
- Coins with a condition of 90 have been auctioned for 190 euros.

3. Average Auction Price: The average auction price for this coin is 129.31 euros, suggesting that, in general, coins of this reference tend to sell for relatively high prices.

4. Starting Price and Average Starting Price: The starting price is 25 euros, and the average starting price is 92.97 euros. This indicates that the market expects the coin to sell for a price higher than the starting price.

5. Recent Trends: In the most recent auctions, auction prices have shown a trend of increasing, especially for coins in good condition.

Based on these factors, an estimated maximum purchase price for this coin could be in the range of 100 to 150 euros, considering that the condition is good and that the average auction price is significantly higher than the starting price. However, since the market can be volatile, it is advisable to keep an eye on the auction and adjust the bid accordingly.

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

1. Current Condition: The coin has a grade of 25 (BC), indicating that it is not in very good condition. This generally reduces its value compared to coins in better condition.

2. Auction History:
- The average hammer price for coins of the same reference has been 107.29 euros.
- However, the hammer prices for coins with similar grades (25) have been significantly lower. For example, in previous auctions, the hammer prices for coins with grades of 25 and 30 have ranged from 15 to 30 euros.

3. Starting Price and Average Starting Price:
- The current starting price is 12 euros, and the average starting price is 54.55 euros. This suggests that the market has higher expectations, but the condition of the coin limits its appeal.

4. Recent Trends: In the most recent auctions, the hammer prices for coins with similar grades have been in the range of 19 to 30 euros.

Based on these factors, an estimated maximum purchase price for this coin, considering its condition and price history, could be between 25 and 30 euros. This reflects a balance between the state of the coin and previous hammer prices for coins in similar conditions.

To estimate a maximum purchase price for the coin in question, we can analyze the provided data, especially considering the current grade of the coin (30 BC+) and the auction prices of coins with similar grades in the past.

1. Current Grade: The coin has a grade of 30 (BC+), indicating that it is not in the best condition. This generally translates to a lower auction price compared to coins in better condition.

2. Historical Auction Prices: By observing the auction prices of coins with similar grades (around 30), we find that:
- In previous auctions, coins with a grade of 30 have reached auction prices between 15 and 30 euros.
- For example, in the auction on 2018-12-11, a coin with a grade of 30 was sold for 15 euros.

3. Price Trends: The average auction price for this particular coin is 107.29 euros, but this includes coins in better condition. Given that the current grade is quite low, it is unlikely that this price will be reached.

4. Starting Price and Estimates: The starting price is 12 euros, and the average starting price in the past has been 54.55 euros. However, since the grade is low, it is reasonable to adjust expectations towards a lower auction price.

5. Final Estimate: Taking all these factors into account, a maximum estimated purchase price for this coin, considering its grade and historical auction prices, could be between 20 and 30 euros. This reflects a balance between the current grade and the auction prices of similar coins in the past.

Therefore, a maximum estimated purchase price for this coin could be 30 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 indicates that it is not in the best condition, which generally affects its value.

2. Auction History: By observing the hammer prices of coins with a similar condition (30) in the past, we can see that the hammer prices have varied. For example:
- In previous auctions, coins with a condition of 30 have reached hammer prices ranging from 10 to 20 euros.
- The average hammer price for coins with higher conditions (such as 70 or 80) has been significantly higher, but this cannot be directly applied to a coin with a condition of 30.

3. Starting Price and Average Hammer Price: The current starting price is 12 euros, and the average hammer price for similar coins is 98.74 euros, but this includes coins in better condition.

4. Recent Trends: In the most recent auctions, the hammer prices for coins with a condition of 30 have been in the range of 15 to 30 euros.

Based on these factors, an estimated maximum purchase price for this coin could be between 20 and 25 euros. This is based on the analysis of past auctions and the current condition of the coin.

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 70 (MS-), which indicates 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: By observing the hammer prices of coins with a similar condition (70) in the past, we can see that they have reached varying hammer prices. For example, in previous auctions, coins with a condition of 70 have had hammer prices ranging between 20 and 30 euros.

3. Average Hammer Price: The average hammer price for this particular coin is 98.74 euros, but this includes coins of different conditions. Given that the condition of this coin is 70, it is likely that the actual hammer price will be below this average.

4. Starting Price and Previous Prices: The current starting price is 15 euros, and the average starting price in the past has been 65.9 euros. However, the hammer prices of similar coins have been lower, suggesting that the starting price may be a good indicator of what to expect.

5. Recent Trends: In the most recent auctions, the hammer prices for coins with similar conditions have been in the range of 20 to 30 euros.

Based on these factors, an estimated maximum purchase price for this coin could be between 25 and 35 euros. This reflects a balance between the condition of the coin and the historical hammer prices for similar coins.

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

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

2. Previous auction prices: By looking at the auction prices of coins with a similar condition (70), we can see that they have varied. For example:
- In previous auctions, coins with a condition of 70 have reached hammer prices of 20, 30, and even 50 euros.
- The average hammer price for coins of similar condition seems to be in the range of 20 to 50 euros.

3. Average hammer price: The average hammer price for this particular coin is 98.74 euros, but this may be influenced by coins of better condition or exceptional auctions.

4. Starting price: The starting price is 15 euros, which suggests that the auctioneer expects moderate interest in the coin.

5. Auction trends: Given that the coin has been auctioned 218 times in the past, and has had a considerable number of sales (182), this indicates that there is an active market for this coin.

### Estimation of the maximum purchase price:
Taking all these factors into account, a reasonable maximum purchase price for this coin, considering its condition and previous hammer prices, could be between 40 and 60 euros. This is based on the fact that, although the average hammer price is higher, the condition of the coin limits its value compared to coins of better quality.

Therefore, an estimated maximum purchase price could be 50 euros.

To estimate a maximum purchase price for the coin in question, we can analyze the provided data, especially considering the current condition of the coin (30 BC+) and the auction prices of coins with similar conditions in the past.

1. Condition of the coin: The coin has a condition of 30 (BC+), which indicates that it is not in the best shape. This generally translates to a lower auction price compared to coins in better condition.

2. Previous auction prices: By observing the auction prices of coins with a similar condition (around 30), we find that the auction prices have varied, but are generally in a low range. For example:
- In previous auctions, coins with a condition of 30 have had auction prices ranging from 15 to 25 euros.
- In a recent auction (2022-09-14), a coin with a condition of 30 was sold for 15 euros.

3. Average auction price: The average auction price for this particular coin is 165.94 euros, but this includes coins in better condition. Therefore, it is not a good indicator for our estimation.

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

5. Estimation: Given that the condition of the coin is low and considering the previous auction prices for similar coins, an estimated maximum purchase price could be between 20 and 30 euros. This is based on the fact that buyers may be willing to pay a little more than the starting price if the coin has sentimental or collectible value.

Conclusion: An estimated maximum purchase price for this coin could be approximately 25 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-), which indicates that it is in relatively good shape, but not among the best qualities.

2. Historical Prices: By looking at previous auction prices for coins with a similar condition (70), we can see that the hammer price has varied. For example, in past auctions, coins with a condition of 70 have reached hammer prices of up to 80 euros.

3. Average Hammer Price: The average hammer price for this coin is 165.94 euros, but this includes coins of different conditions. Given that the condition of the coin in question is 70, it is likely that its hammer price will be below this average.

4. Recent Trends: In the most recent auctions, hammer prices for coins with a condition of 70 have been in the range of 25 to 40 euros, suggesting that interest and demand may be fluctuating.

5. Starting Price: The starting price is 15 euros, indicating that the auctioneer expects moderate interest.

Taking all these factors into account, an estimated maximum purchase price for this coin could be in the range of 40 to 60 euros. This is based on the current condition, previous hammer prices, and market trends.

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

1. Coin Condition: The coin has a condition of 70 (MS-), which indicates that it is in relatively good shape, but not of the highest quality (PR).

2. Historical Auction Data:
- The average hammer price for similar coins has been 165.94 euros.
- In previous auctions, coins with a similar condition (70) have had hammer prices that varied, but some examples are:
- In 2018, a coin with a condition of 70 was sold for 15 euros.
- In 2022, another coin with a condition of 70 was sold for 28 euros.
- In 2023, it was sold for 25 euros.

3. Price Trends:
- The average starting price is 57.62 euros, suggesting that sellers are looking for higher prices, but the actual hammer price may be lower.
- The coin has been auctioned 70 times, with a high sales percentage (67 out of 70), indicating good demand.

4. Comparison with Previous Hammer Prices:
- Hammer prices for coins with a condition of 70 have varied, but have generally remained in a range of 15 to 28 euros in recent auctions.

Based on these factors, an estimated maximum purchase price for this coin could be in the range of 25 to 40 euros. This is based on the condition, previous hammer prices, and the overall market trend.