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

1. Coin Condition: The coin to be auctioned has a condition rating of 90 (EBC), indicating that it is in very good condition. This generally translates to a higher price compared to coins with lower conditions.

2. Price History: By looking at the hammer prices of similar coins in the past, we can see that coins with a similar condition (90) have had varying hammer prices. For example, in previous auctions, coins with a condition of 90 have reached hammer prices of up to 150 euros.

3. Starting Price and Average Hammer Price: The starting price of 50 euros is reasonable, and the average hammer price of 47.86 euros suggests that, in general, coins of this reference sell close to this price. However, since the condition of this coin is higher, we can expect the hammer price to be higher.

4. Recent Trends: In the most recent auctions, hammer prices for coins of similar condition have shown an increase, which could indicate a rising trend in interest for these coins.

Based on these factors, an estimated maximum purchase price for this coin could be between 80 and 120 euros, considering that the condition is high and there is growing interest in this type of coin. A price of 100 euros could be a reasonable target for a buyer looking to secure the coin in a competitive auction.

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

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

2. Auction History: By observing the hammer prices of coins with similar conditions in the past, we can see that:
- Coins with a condition of 80 have reached hammer prices of up to 95 euros (as seen in the auction on January 31, 2023).
- Coins with a condition of 90 have reached hammer prices of up to 170 euros (as seen in the auction on December 11, 2024), indicating that there is a market willing to pay high prices for well-preserved coins.

3. Average Hammer Price: The average hammer price for this coin is 76.12 euros, which can also serve as a reference.

4. Starting Price: The starting price is 40 euros, which is relatively low compared to previous hammer prices.

Taking these factors into account, an estimated maximum purchase price for the coin could be in the range of 90 to 110 euros, considering that the condition is good and there is a history of hammer prices that supports this estimate.

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

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

1. 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 25.62 euros.
- The coin has been auctioned 24 times, of which it has sold 14 times. This suggests there is moderate interest in the coin.
- In previous auctions, hammer prices for coins with a similar condition (80) have reached up to 60 euros.

3. Starting Price and Estimates:
- The current starting price is 40 euros, which is higher than the average starting price of 21.35 euros, indicating an expectation of greater interest or value in this auction.
- The estimated price for this auction is 40 euros, which also suggests that the auctioneers expect good interest.

4. Price Trends: In previous auctions, hammer prices for coins with a condition of 80 have varied, but the highest recorded price was 60 euros.

Taking all these factors into account, an estimated maximum purchase price for this coin could be around 60 euros, as this is a price that has been reached in the past for coins in similar conditions and reflects reasonable interest in the current 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 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. Auction History:
- The average hammer price for similar coins in the past has been 373.68 euros.
- Previous auctions of this coin have shown hammer prices that vary significantly, with some reaching up to 1600 euros in much better conditions (condition rating of 90).
- Most recent auctions of coins with similar conditions have had hammer prices ranging between 110 and 400 euros.

3. Starting Price and Average Starting Price:
- The current starting price is 25 euros, which is quite low compared to the average starting price of 176.21 euros.

4. Recent Trends: In the most recent auctions, hammer prices for coins with similar conditions have been in the range of 110 to 200 euros.

Given all this, and considering that the condition of the coin is a limiting factor, an estimated maximum purchase price could be in the range of 150 to 250 euros. This is based on the historical hammer prices for coins of similar condition and the current market context.

Therefore, a reasonable maximum purchase price could be 200 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 coin has been auctioned 11 times, of which it has sold 4 times. This suggests that there is moderate interest in the coin.
- The average hammer price in previous auctions is 52.47 euros, which can serve as a good indicator of market value.

3. Starting and Hammer Prices:
- Starting prices have varied, but there are examples of hammer prices exceeding the starting price, indicating that buyers are willing to pay more in some cases.
- The current starting price is 50 euros, which is slightly below the average hammer price.

4. Price Trends:
- In previous auctions, hammer prices have ranged between 45 and 61.88 euros, suggesting that the hammer price may be in a similar range.

Based on these factors, an estimated maximum purchase price could be around 60-65 euros. This is based on the hammer price history and the good condition of the coin. However, it is important to note that collector interest and competition in the auction can also influence the final price.

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 100 (MS), indicating that it is in excellent condition. This generally increases its value compared to coins with lower conditions.

2. Auction History:
- The average hammer price in previous auctions is 33.79 euros.
- Previous hammer prices for coins with similar condition (100) have been 40 euros (2020), 35 euros (2018), and 40 euros (2018).
- The current starting price is 18 euros, which is relatively low compared to previous hammer prices.

3. Price Trends:
- The average starting price in previous auctions is 24.38 euros, suggesting that the current starting price is competitive.
- The coin has been sold in 15 out of 18 auctions, indicating good demand.

4. Previous Price Estimates:
- Estimated prices in previous auctions for coins of similar condition have ranged between 30 and 75 euros.

Based on these factors, an estimated maximum purchase price could be in the range of 40 to 60 euros, considering that the condition is high and that the hammer price history supports this estimate.

Therefore, a reasonable maximum purchase price could be 50 euros.