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 fairly good shape, but not the best possible condition.

2. Historical Prices: By looking at previous auction prices for coins with similar conditions (75 and 80), we can see that auction prices have varied. For example:
- In previous auctions with a condition of 75, the hammer prices have been around 90 to 140 euros.
- For condition 80, the hammer prices have been higher, reaching up to 295 euros in some cases.

3. Average Hammer Price: The average hammer price for this coin is 114.38 euros, which gives us a good reference.

4. Starting Price and Average Starting Price: The current starting price is 45 euros, and the average starting price in the past has been 71.82 euros.

5. Recent Trends: In the most recent auctions, hammer prices have shown a trend of being higher, especially for condition 80.

Based on these factors, an estimated maximum purchase price for the coin in condition 75 could be in the range of 100 to 130 euros. This is based on the analysis of previous hammer prices and the current condition of the coin.

Therefore, a reasonable estimated maximum purchase price could be 130 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 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 similar coins in the past has been 62.31 euros.
- The coin has been auctioned 22 times, of which it has sold 16 times, indicating good demand.
- Previous hammer prices for coins with a similar condition (80) have varied, but the highest recorded price was 85 euros.

3. Starting Price and Estimates:
- The current starting price is 60 euros, which is reasonable given the history of starting and hammer prices.
- The average starting price of 49.55 euros suggests that the current starting price is slightly higher than average, which may indicate the quality of the coin.

4. Recent Trends: In the most recent auctions, hammer prices have been around 70-90 euros for coins of similar condition.

Based on these factors, an estimated maximum purchase price could be between 80 and 90 euros, considering that the condition is good and there is a price history supporting this estimate. Therefore, a reasonable maximum purchase price could be 85 euros.

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

1. 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 coins with a similar condition (80) has been approximately 38.08 euros.
- In previous auctions, hammer prices for coins with a condition of 80 have varied, but the range has been between 25 and 65 euros.

3. Starting Price: The starting price is 30 euros, which is a good indicator that the seller expects considerable interest in the coin.

4. Sales Trends: Out of the 17 times it has been auctioned, 14 have been sold, indicating good demand.

5. Previous Prices: In past auctions, the highest hammer price for coins with a condition of 80 has been 65 euros, which can serve as a benchmark.

Taking all these factors into account, an estimated maximum purchase price for this coin could be around 60-70 euros. This is based on the hammer price history and the condition of the coin. However, it is important to remember that the final price may vary depending on the competition in the auction and the interest from other buyers.

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), indicating that it is in fairly good shape, but not among the best qualities.

2. Auction History:
- The average hammer price for similar coins in the past has been 59.88 euros.
- In previous auctions, coins with a similar condition (75) have had hammer prices that varied, but some examples are:
- 10 euros (2020-12-15)
- 32 euros (2020-09-17)
- 45 euros (2020-02-12)
- 40 euros (2020-10-21)
- 55 euros (2019-12-11)

3. Recent Trends: In the most recent auctions, hammer prices have shown a range that can reach up to 190 euros for coins in better condition, but for the condition of 75, prices tend to be closer to 30-60 euros.

4. Starting Price: The starting price is 6 euros, suggesting that there is considerable room for the hammer price to be higher.

Based on these factors, an estimated maximum purchase price for the coin in question could be in the range of 60 to 80 euros. This is based on the hammer price history for coins of similar condition and the average hammer price observed.

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 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 in condition 80 has been 50 euros in recent auctions.
- In the past, coins with a condition of 80 have sold for prices that varied, but the range seems to be between 25 and 50 euros, with some exceptional cases reaching up to 70 euros.

3. Starting Price and Average Hammer Price:
- The current starting price is 15 euros, which is relatively low compared to the average hammer price of 25.06 euros.
- This suggests that there is potential for the hammer price to be significantly higher.

4. Recent Trends: In the most recent auction, a coin with a condition of 85 sold for 50 euros, indicating that there is growing interest in coins of good condition.

Based on these factors, an estimated maximum purchase price for the coin in condition 80 could be between 40 and 60 euros, considering that the interest in coins of good condition may lead to a higher hammer price. Therefore, a reasonable maximum purchase price could be 50 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 75 (MBC), which indicates a fairly good state. In the past, coins with a similar condition have reached auction prices that vary, but are generally in a higher range than the starting price.

2. Price History: By observing previous auction prices for coins with a condition of 75, we can see that they have reached auction prices of up to 55 euros in recent auctions. However, there are also examples of coins with similar conditions that have sold for less, such as 15 euros.

3. Average Auction Price: The average auction price for this coin is 31.38 euros, suggesting that, in general, buyers are willing to pay more than the starting price.

4. Recent Trends: In the most recent auctions, the auction price has shown a tendency to be higher, especially for coins in good condition. For example, in a recent auction, a similar coin was sold for 50 euros.

5. Starting Price: The starting price is 18 euros, which is relatively low compared to previous auction prices.

Taking all these factors into account, an estimated maximum purchase price for this coin could be between 40 and 55 euros, considering that the market may be willing to pay a bit more for a coin in good condition and with a favorable price history.

Therefore, a reasonable maximum purchase price could be 50 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 rating of 70 (VF-). This is an important factor, as coins in better condition tend to fetch higher prices.

2. Auction History:
- The coin has been auctioned 15 times, of which it has sold 13 times. This indicates good demand.
- The average hammer price in previous auctions is 93.85 euros, suggesting that, in general, coins of this reference tend to sell for relatively high prices.

3. Previous Prices:
- In past auctions, hammer prices have varied, but there are examples of sales reaching up to 170 euros for coins with similar condition (80).
- The price trend for coins in the 75 to 80 condition range has been between 50 to 130 euros.

4. Starting Price and Estimates:
- The current starting price is 25 euros, which is quite low compared to the average hammer price.
- The average starting price in previous auctions is 60.36 euros, suggesting that the current starting price could be a good opportunity.

5. Proximity of Upcoming Auctions: There are 2 auctions scheduled in the coming days, which could increase competition and, therefore, the hammer price.

Considering all these factors, an estimated maximum purchase price for this coin could be in the range of 90 to 130 euros, taking into account that the condition is slightly lower than those that have reached higher prices, but there is still good demand and a price history that supports this estimate.

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:

1. Current Condition: The coin has a condition 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. Previous Prices: By looking at previous auction prices for coins with similar conditions (80 and 85), we can see that auction prices have varied. For example:
- In 2021, a coin with a condition of 85 was auctioned for 140 euros.
- In 2023, coins with a condition of 80 have been auctioned with starting prices of 60 and 75 euros, but they did not sell.

3. Starting Price and Average Hammer Price: The current starting price is 60 euros, and the average hammer price in the past has been approximately 34.92 euros. However, since the condition of this coin is better than many that have been auctioned previously, we can expect the hammer price to be higher.

4. Auction Trends: The coin has been auctioned 21 times in the past, of which 13 have sold. This indicates a consistent interest in the coin, which may increase its value.

5. Condition-Based Estimation: Given that the condition is 80, and considering that in the past similar coins have sold in a range of 25 to 140 euros, we can estimate that the hammer price could be in a higher range due to the good condition.

Taking all these factors into account, an estimated maximum purchase price for this coin could be in the range of 80 to 100 euros. This is based on the condition, previous hammer prices, and the interest in 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 rating of 70 (MS-), indicating that it is in an acceptable state, but not of the highest quality.

2. Auction History:
- The average hammer price for coins of similar condition (70) has been approximately 30-35 euros in previous auctions.
- In past auctions, hammer prices for coins with a condition of 70 have ranged between 20 and 40 euros.

3. Starting Price and Average Hammer Price:
- The current starting price is 30 euros, and the average hammer price is 50.16 euros, suggesting that there is potential for the coin to sell at a higher price.

4. Recent Trends: In the most recent auctions, the hammer price has been 30 euros for coins with similar condition, indicating that the market is stable.

5. Sale Expectations: Given that there is an auction scheduled in the coming days, and considering that there have been 42 previous auctions with 25 sales, there is moderate interest in this coin.

Based on these factors, an estimated maximum purchase price could be between 40 and 50 euros. This is because, although the condition is not the highest, the price history and interest in the coin suggest that it could reach a higher price at auction.

Therefore, a reasonable maximum purchase price could be 45 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 30 (BC+), which is relatively low compared to other coins that have been auctioned in the past. This may negatively affect its value.

2. Previous Auction Prices: By looking at previous hammer prices for coins with similar conditions, we can see that:
- In past auctions with a condition of 30, the hammer prices have been 12 and 50 euros.
- Most coins with higher conditions (70 and 80) have reached hammer prices ranging from 60 to 150 euros.

3. Starting Price and Average Hammer Price: The current starting price is 60 euros, and the average hammer price for similar coins is 75.22 euros. This suggests that the market is willing to pay a little more than the starting price.

4. Auction Trends: The coin has been auctioned 23 times in the past, of which it has sold 10 times. This indicates a moderate interest in the coin, but also that there is a significant number of auctions where it has not sold.

5. Price Estimates: Based on the starting price and the average hammer price, as well as previous hammer prices for similar conditions, an estimated maximum purchase price could be between 50 and 70 euros, considering that the current condition is low.

Conclusion: An estimated maximum purchase price for this coin could be approximately 70 euros, taking into account the condition and previous hammer prices.