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. Historical Prices: By looking at the auction prices of coins with a similar condition (30) in the past, we can see that the auction prices have varied. For example, in previous auctions, coins with a condition of 30 have had hammer prices ranging from 15 to 25 euros.

3. Average Hammer Price: The average hammer price for this coin is 75.57 euros, but this includes coins in better condition. Given that the condition of this coin is lower, the actual hammer price is likely to be lower.

4. Starting Price: The starting price is 12 euros, which suggests that the auctioneer expects moderate interest in the coin.

5. Sales Trends: The coin has been auctioned 205 times, of which it has sold 174 times. This indicates a good sales rate, which may influence demand and, therefore, the price.

6. Prices of Similar Coins: In recent auctions, coins with similar conditions have had hammer prices ranging from 15 to 30 euros.

Taking all these factors into account, an estimated maximum purchase price for this coin could be between 20 and 30 euros. This reflects a balance between the current condition, historical prices, and market demand.

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 75 (MBC), which indicates that it is in fairly good shape, but not of the highest quality (FDC).

2. Historical Prices: By looking at previous auction prices for coins with a similar condition (around 75), we can see that auction prices have varied. For example, in recent auctions, coins with a condition of 75 have reached hammer prices of up to 70-80 euros.

3. Average Hammer Price: The average hammer price for this coin is 75.57 euros, which gives us a good reference for what buyers are willing to pay.

4. Starting Price and Average Starting Price: The starting price is 15 euros, and the average starting price is 53.19 euros. This suggests that there is a considerable margin between the starting price and the hammer price.

5. Recent Trends: The coin has been auctioned 205 times in the past, with an 85% sell-through rate, indicating consistent demand.

Based on these factors, an estimated maximum purchase price for this coin could be between 80 and 100 euros, considering that the condition is good and that there is a trend for hammer prices to remain in that range for coins of similar condition.

Therefore, a reasonable maximum purchase price could be 90 euros.

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 (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: By looking at previous hammer prices for coins with similar conditions, we can see that hammer prices have varied. For example, in recent auctions, coins with condition ratings of 80 have reached hammer prices of up to 110 euros.

3. Average Hammer Price: The average hammer price for this coin is 75.57 euros, providing a good reference for the expected value.

4. Auction Trends: The coin has been auctioned 205 times, with an 85% sell-through rate (174 times sold). This suggests that there is consistent interest in this coin, which may increase its value.

5. Starting Prices and Estimates: The starting price is 25 euros, and the average starting price is 53.19 euros. This indicates that the market is willing to pay more than the starting price on many occasions.

Based on these factors, an estimated maximum purchase price for this coin could be between 100 and 120 euros, considering that the condition is good and there is a history of hammer prices that supports this estimate.

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 30 (BC+), indicating that it is not in the best condition. This will affect its value compared to coins in better condition.

2. Previous Prices: By looking at the auction prices of coins with a similar condition (30) in the past, we can see that the hammer price has varied. For example:
- In previous auctions, coins with a condition of 30 have reached hammer prices of 15 to 20 euros.
- The last auction of a coin with a condition of 30 had a hammer price of 20 euros.

3. Average Hammer Price: The average hammer price for this coin is 67.1 euros, but this includes coins in better condition. Therefore, it is not a good indicator for our specific coin.

4. Starting Price and Estimates: The starting price is 12 euros, and the estimated price is 20 euros. This suggests that the market expects the coin to sell in a low range.

5. Market Trends: Given that there have been 112 sales of this coin in the past, and considering that the average hammer price for coins in similar conditions has been around 15 to 20 euros, we can infer that the interest in this coin is not very high, which may also influence the price.

Based on these factors, an estimated maximum purchase price for this coin could be between 20 and 25 euros, considering that the condition limits its appeal and that the hammer prices in previous auctions have been relatively low.

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 acceptable condition but not of high quality. This can influence the price, as coins in better condition tend to reach 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 from 15 to 25 euros.

3. Average Hammer Price: The average hammer price for this coin is 67.1 euros, but this may be influenced by coins in better condition. Given that the condition of this coin is lower, it is likely that the actual hammer price will be lower.

4. Starting Price and Previous Prices: The current starting price is 12 euros, and the average starting price in the past has been 48.1 euros. This suggests that there is potential for an increase in the hammer price, but also that interest may vary.

5. Recent Trends: In the most recent auctions, hammer prices for coins of similar condition 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 the best and that collector 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 acceptable condition, but not among the best qualities. This affects the price, as coins in better condition tend to reach higher prices.

2. Auction History: By observing previous hammer prices for coins with a similar grade (70), we can see that the hammer price has varied. For example, in previous auctions, coins with a grade of 70 have reached hammer prices ranging from 15 to 25 euros.

3. Average Hammer Price: The average hammer price for this coin is 67.1 euros, but this includes coins of different grades. For a grade of 70, it is reasonable to expect a lower hammer price.

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

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

Taking all these factors into account, an estimated maximum purchase price for this coin, considering its condition and price history, could be in the range of 25 to 35 euros. This would allow for competitive bidding in the auction without exceeding a reasonable limit based on the price history and the current 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 30 (BC+). This indicates that it is not in the best condition, which will affect its value.

2. Auction History: By observing the hammer prices of coins with similar conditions in the past, we can make a comparison. For example:
- In previous auctions, coins with conditions of 30 have had hammer prices that varied, but are generally in the range of 15 to 25 euros.
- A coin with a condition of 25 was sold for 14 euros, and another with a condition of 30 was sold for 20 euros.

3. Starting Price and Average Price: The current starting price is 12 euros, and the average hammer price in the past has been 67.01 euros, but this includes coins in better conditions.

4. Recent Trends: In the most recent auctions, hammer prices for coins of similar condition have been around 15 to 25 euros.

Based on these factors, an estimated maximum purchase price for this coin could be between 20 and 25 euros, considering that the condition is not optimal and that the price history shows that coins in similar conditions typically do not exceed this range.

Therefore, a reasonable maximum purchase price could be 25 euros.

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. Coin Condition: The coin has a condition of 70 (VF-). This indicates that it is in average condition, which 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 70), we can see that the auction prices have varied. For example:
- In previous auctions, coins with a condition of 70 have reached auction prices of 20, 21, 22, 25, and 30 euros.
- The general trend shows that the auction price for coins in VF- condition tends to be in the range of 20 to 30 euros.

3. Average Auction Price: The average auction price for this coin is 67.01 euros, but this includes coins in better condition. Given that the condition of this coin is lower, it is reasonable to adjust our expectations downward.

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

5. Final Estimate: Considering all these factors, an estimated maximum purchase price for this coin, taking into account its condition and previous auction prices, could be in the range of 25 to 35 euros. This reflects a price that is reasonable for a coin in VF- condition that has had interest in previous auctions.

Therefore, an estimated 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 of 30 (BC+). This indicates that it is not in the best condition, which will affect its value compared to coins in better shape.

2. Auction History: By observing the hammer prices of coins with similar conditions (around 30), we can see that the hammer price has varied. For example, in previous auctions, coins with a condition of 30 have reached hammer prices ranging from 15 to 25 euros.

3. Average Hammer Price: The average hammer price for this particular coin is 98.22 euros, but this includes coins in better conditions. Therefore, it is not a good indicator for our coin with a condition of 30.

4. Recent Starting and Hammer Prices: In the most recent auctions, the starting prices for coins with similar conditions have been between 10 and 18 euros, with hammer prices often not exceeding 25 euros.

5. Market Trends: Since the coin has been auctioned 81 times and has had a high sales percentage (75 out of 81), this suggests that there is a consistent interest in this coin, which may help maintain its value.

Based on these factors, an estimated maximum purchase price for the coin with a condition of 30 (BC+) could be in the range of 20 to 30 euros. This takes into account the interest in the coin, its condition, and recent 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. Current Condition: The coin has a condition of 70 (VF-). This indicates that it is in an acceptable state, but it is not of the highest quality.

2. Previous Auction Prices: By observing the auction prices of coins with a similar condition (around 70), we can see that:
- In previous auctions, coins with a condition of 70 have reached hammer prices of 21, 25, 33, and 86 euros.
- The trend shows that the hammer price can vary, but it generally falls within a range of 20 to 30 euros for similar conditions.

3. Average Hammer Price: The average hammer price for this particular coin is 98.22 euros, but this may be influenced by coins in better condition or by exceptional auctions.

4. Starting Price: The current starting price is 18 euros, which suggests that the seller expects a lower price initially.

5. Estimation: Given that the condition is 70 and considering the previous hammer prices, an estimated maximum purchase price could be in the range of 30 to 50 euros. This is based on the fact that, although the average hammer price is higher, the current condition limits the selling potential.

Therefore, an estimated maximum purchase price for this coin could be 40 euros.

To estimate a maximum purchase price for the coin with a grade of 70 (MS-), we can analyze historical data and price trends.

1. Data from previous auctions:
- The coin has been auctioned 205 times, of which it has sold 180 times.
- The average hammer price is 58.59 euros.
- In previous auctions, hammer prices for coins with a similar grade (70) have varied, but they have generally remained in a range of 14 to 25 euros in recent auctions.

2. Price trends:
- In recent auctions, hammer prices for coins with a grade of 70 have been around 20-25 euros.
- The last auction of a coin with a grade of 70 had a hammer price of 22 euros.

3. Additional considerations:
- The starting price is 15 euros, indicating that the seller expects a higher hammer price.
- Given that there are 4 auctions scheduled in the coming days, this could increase competition and, therefore, the price.

Estimation of the maximum purchase price:
Based on the above information, a reasonable maximum purchase price for the coin with a grade of 70 (MS-) could be in the range of 25 to 30 euros. This takes into account the average hammer price and the possibility that competition in the auction may drive up the price.

To estimate a maximum purchase price for the coin with a grade of 80 (MBC+), we can analyze the historical data from previous auctions of coins with a similar grade and their hammer prices.

1. Relevant data from previous auctions:
- In the past, coins with a grade of 80 (MBC+) have been auctioned, and their hammer prices have varied. Here are some examples:
- 2020-10-20: Hammer price €35 (starting price €25)
- 2020-02-12: Hammer price €25 (starting price €18)
- 2018-09-19: Hammer price €40 (starting price €25)
- 2018-05-30: Hammer price €60 (starting price €60)
- 2019-03-14: Hammer price €100 (starting price €90)

2. Price analysis:
- The average hammer price for coins with a grade of 80 (MBC+) seems to be in the range of €25 to €60, with some exceptional cases reaching up to €100.
- The overall average hammer price for this coin is €58.59, indicating that there is considerable interest in this coin.

3. Maximum price estimation:
- Given that the coin's grade is 80 (MBC+) and considering the average hammer price of similar coins, a reasonable maximum purchase price could be in the range of €60 to €80.
- However, since the starting price is €30 and the average hammer price is €58.59, a prudent maximum purchase price could be €70.

Therefore, the estimated maximum purchase price for this coin would be €70.

To estimate a maximum purchase price for the coin with a grade of 80 (MBC+), we can analyze historical data and price trends.

1. Coin data from previous auctions:
- The grade of 80 (MBC+) has had auction prices that vary, but generally, the hammer prices for coins of similar grade have been in a range of 35 to 180 euros in previous auctions.
- For example, in past auctions, hammer prices of 35 euros have been recorded for a coin with a grade of 80 and up to 180 euros for coins with higher grades (95).

2. Average hammer price:
- The average hammer price for this coin has been 58.59 euros, indicating that, in general, buyers are willing to pay around this price.

3. Recent auction trends:
- The coin has been auctioned 205 times, of which 180 have been successful sales. This suggests that there is a consistent interest in this coin.
- The current starting price is 30 euros, which is relatively low compared to previous hammer prices.

4. Estimation of the maximum purchase price:
- Given that the grade is 80 (MBC+), and considering previous hammer prices and the interest in the coin, a reasonable maximum purchase price could be in the range of 70 to 90 euros. This is based on the fact that buyers may be willing to pay a bit more than the average hammer price, especially if there is competition in the auction.

Therefore, an estimated maximum purchase price for this coin could be 80 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 30 (BC+). This indicates that it is not in the best condition, which will affect its value.

2. Previous Auction Prices: By looking at previous auction prices for coins with similar conditions, we can see that:
- In 2019, a coin with a condition of 30 was auctioned for 11 euros.
- In 2020, a coin with a condition of 25 was auctioned for 17 euros.
- In 2020, another coin with a condition of 30 was auctioned for 17 euros.

3. Average Auction Price: The average auction price for this coin is 86.5 euros, but this includes coins in better conditions. Given that the condition of the coin in question is quite low, it is unlikely to reach that price.

4. Starting Price and Average Starting Price: The starting price is 15 euros, and the average starting price is 42.43 euros. This suggests that interest in the coin may be moderate.

5. Sales Trends: The coin has been auctioned 83 times, of which 79 have been sold. This indicates a good level of interest in the coin, although the auction price can vary significantly depending on the condition.

### Estimation of Maximum Purchase Price
Given that the condition is 30 (BC+), and considering the previous auction prices for coins with similar conditions, a reasonable maximum purchase price could be in the range of 15 to 25 euros.

However, since the average auction price for coins in similar conditions has been around 17 euros, an estimated maximum purchase price could be 20 euros. This allows for some margin for competition in the auction, but also reflects the condition of the coin.

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 (MBC-). This is an important factor, as coins in better condition tend to reach higher prices.

2. Previous Auction Prices: By looking at previous auction prices for coins with a similar condition (70), we can see that they have reached hammer prices of up to 35 euros in recent auctions. For example, in the auction on 2020-02-12, the hammer price was 35 euros.

3. Average Hammer Price: The average hammer price for this coin is 86.5 euros, but this includes coins of different conditions. Given that the condition of the coin in question is 70, it is likely that the actual hammer price is below this average.

4. Auction Trends: The coin has been auctioned 83 times, of which 79 have been sold. This indicates good demand and consistent interest in the coin.

5. Starting Prices and Estimates: The current starting price is 18 euros, and the average starting price is 42.43 euros. This suggests that the starting price could be a good indicator of what buyers are willing to pay.

Taking all these factors into account, an estimated maximum purchase price for the coin could be around 35-40 euros, considering that this price reflects both the condition and previous hammer prices for similar coins.

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 very good shape. This generally reduces its value compared to coins in better condition.

2. Previous Auction Prices: By observing the auction prices of similar coins in the past, we can see that prices have varied considerably. For example, coins with similar conditions have had auction prices ranging from 10 to 50 euros, depending on demand and other factors.

3. Average Auction Price: The average auction price for this coin is 84.28 euros, but this includes coins in better condition. Given that the condition of this coin is lower, the auction price is likely to be lower.

4. Recent Trends: In the most recent auctions, the auction prices for coins with similar conditions have been in the range of 20 to 35 euros.

5. Starting Price: The starting price is 12 euros, suggesting that the auctioneer expects moderate interest in the coin.

Taking all these factors into account, an estimated maximum purchase price for this coin could be between 30 and 40 euros. This reflects a balance between the current condition, previous auction prices, and market trends.