To estimate a maximum purchase price for the coin in question, we will consider several factors, including the current condition of the coin, previous auction prices, and the average auction price.

1. Condition of the coin: The coin has a condition rating of 80 (VF+), indicating that it is in fairly good shape, but not of the highest quality (UNC).

2. Previous auction prices:
- In previous auctions, coins with a similar condition (80) have reached auction prices that vary considerably. For example, in a 2020 auction, a coin with a condition of 80 sold for 190 euros.
- There are also examples of coins with conditions of 85 and 90 that sold for prices around 50-100 euros.

3. Average auction price: The average auction price for this coin is 98.9 euros, which provides a good reference point.

4. Starting price: The starting price is 25 euros, suggesting that there is considerable room for the final auction price to be higher.

5. Market trends: Since the coin has been auctioned 1,295 times and has had a high number of sales (971), this indicates a consistent interest in this coin, which may influence the price.

### Estimation of the maximum purchase price:
Taking all these factors into account, a reasonable maximum purchase price for this coin could be in the range of 150 to 200 euros. This is based on the average auction price, the condition of the coin, and previous auction prices for coins of similar condition.

Therefore, if you are interested in acquiring this coin, you might consider setting a bidding limit in that range to ensure you do not exceed your budget.

To estimate a maximum purchase price for the coin to be auctioned, we will consider several factors, including the starting price, the condition of the coin, and the hammer prices of similar coins in the past.

1. Starting price: 25 euros.
2. Condition of the coin: 80 (MBC+), indicating good condition.
3. Previous hammer prices:
- In past auctions, coins with a similar condition (80) have reached hammer prices that varied considerably, but some relevant examples are:
- 190 euros (condition 80)
- 60 euros (condition 80)
- 55 euros (condition 80)
- 48 euros (condition 85)
- 42 euros (condition 85)

4. Average hammer price: 98.9 euros, which is significantly higher than the starting price.

5. Sales trends: The coin has been auctioned 1,295 times, of which it has sold 971 times, indicating good demand.

Based on this data, an estimated maximum purchase price could be between 80 and 120 euros, considering that the condition is good and the average hammer price is high. However, since the starting price is 25 euros, it is likely that buyers will be willing to pay a considerably higher price, but not necessarily reaching the highest previous hammer prices.

Final estimate: 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, including the coin's condition, previous auction prices, and the average auction price.

1. Coin Condition: The coin has a condition of 80 (MBC+), which indicates that it is in fairly good shape, but not of the best quality (FDC).

2. Previous Auction Prices:
- In previous auctions, coins with a similar condition (80) have reached auction prices that vary considerably. For example, in a 2020 auction, a coin with a condition of 80 was sold for 190 euros.
- There are also examples of coins with a condition of 85 that have sold for prices in the range of 40 to 60 euros.

3. Average Auction Price: The average auction price for this coin is 98.9 euros, which provides a good reference point.

4. Starting Price: The starting price is 25 euros, suggesting that there is considerable room for the auction price to be higher.

5. Market Trends: Since the coin has been auctioned 1,295 times and has had a high sales percentage (971 out of 1,295), this indicates a steady demand.

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 condition is good and there are precedents for higher auction prices in the past. However, since the market can fluctuate, 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 can consider several factors based on the provided data:

1. Coin 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 with lower conditions.

2. Auction History:
- The average hammer price for similar coins in the past is 44.08 euros.
- There are examples of coins with similar condition (90) that have sold in the past for prices that varied, with some reaching up to 160 euros at auction.

3. Starting Price: The starting price is 35 euros, which is relatively low compared to the average hammer price.

4. Sales Trends: The coin has been auctioned 205 times, with an 84% sell-through rate (173 times sold). This suggests that there is consistent demand for this coin.

5. Previous Prices: Some previous hammer prices for coins in condition 90 have ranged from 40 to 160 euros, indicating a wide range depending on demand at the time of the auction.

Based on these factors, an estimated maximum purchase price could be set in a range between 100 and 150 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 150 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 75 (MBC), indicating that it is in fairly good shape, but not of the highest quality (FDC).

2. Auction History:
- The average hammer price for similar coins in the past is 44.08 euros.
- Coins with a similar condition (75) have been auctioned for hammer prices of up to 160 euros (in the case of a condition of 80).
- The majority of coins with a condition of 75 have had hammer prices ranging from 20 to 50 euros.

3. Starting Price: The starting price is 25 euros, which may be a good indicator of the expected sale.

4. Recent Trends: In the most recent auctions, hammer prices for coins of similar condition have shown a range that can reach up to 50-70 euros, depending on demand and other factors.

Based on these points, an estimated maximum purchase price for this coin could be between 50 and 70 euros, considering that the condition is good and there is a price history that supports this estimate. However, since the market can be volatile, it is advisable not to exceed 70 euros to avoid overpaying.

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 to be auctioned has a condition rating of 90 (EBC), indicating that it is in quite good shape. This is important because coins in better condition tend to fetch higher prices.

2. Starting Price and Previous Prices: The current starting price is 900 euros. In previous auctions, we have seen hammer prices that varied, but there are examples of hammer prices exceeding 1000 euros, especially for similar conditions.

3. Average Hammer Price: The average hammer price for this coin is 1250.38 euros, suggesting that, in general, buyers are willing to pay more than the starting price.

4. Recent Trends: In the most recent auctions, hammer prices have ranged from 700 to 950 euros for coins with conditions of 90 and 80. However, there is also an extreme case where a similar coin sold for 16500 euros, which could be an outlier.

5. Analysis of Previous Prices: Looking at the hammer prices from previous auctions with similar conditions, the highest recorded price was 16500 euros, but this seems to be an exceptional case. Most hammer prices for conditions between 80 and 90 are in the range of 700 to 950 euros.

Based on these factors, an estimated maximum purchase price for the coin in question could be in the range of 1200 to 1400 euros, considering that the average hammer price is 1250.38 euros and that the coin's condition is good. However, since the starting price is 900 euros, it is likely that buyers will be willing to bid more, especially if there is interest in the coin.

Therefore, a reasonable maximum purchase price could be 1300 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 90 (EF), indicating that it is in quite good shape. This generally translates to a higher price compared to coins with lower conditions.

2. Starting Price: The starting price is 1800 euros, which is a good starting point for the estimation.

3. Price History: By looking at previous auction prices for coins with similar conditions (90 or close), we can see that in recent auctions, hammer prices have ranged between 1450 and 1700 euros for coins in similar conditions.

4. Auction Trends: In the most recent auctions, hammer prices have shown an upward trend, especially for coins in good condition. For example, in previous auctions, coins with a condition of 90 have reached hammer prices of up to 1700 euros.

5. Average Hammer Price: The average hammer price for this coin is 1365.75 euros, which can also serve as a reference.

Taking all these factors into account, an estimated maximum purchase price for this coin could be around 2000 euros. This is based on the good condition of the coin, the starting price, and the hammer price history for similar coins.