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 quite good shape. This may positively influence its value.

2. Current Listing Price and Previous Prices: The current listing price is 1200 euros, which is significantly higher than the starting and hammer prices from previous auctions. However, the hammer prices for coins with similar conditions (75) have ranged from 45 to 1100 euros.

3. Sales Trends: The coin has been auctioned 11 times in the past, of which it has sold 10 times. This indicates good demand and consistent interest in the coin.

4. Average Hammer Price: The average hammer price for similar coins is 154.6 euros, suggesting that the current listing price is quite high compared to the historical average.

5. Auction Expectations: Since it will be auctioned in the coming days and there is prior interest, this could drive the price up, but it is also important to consider that the listing price is quite elevated.

Taking all these factors into account, an estimated maximum purchase price could be in the range of 600 to 800 euros. This range considers the good condition of the coin, historical demand, and the fact that the current listing price is quite high compared to previous hammer prices.

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 95 (S/C-), indicating that it is in very good shape. This generally increases its value compared to coins with lower conditions.

2. Auction history:
- The average hammer price for coins with a similar condition (95) has been approximately 37.8 euros.
- In previous auctions, hammer prices for coins with a condition of 95 have varied, but some have reached up to 120 euros in exceptional conditions.

3. Starting price and previous prices:
- The current starting price is 18 euros, which is relatively low compared to previous hammer prices.
- The average starting price in the past has been 24.47 euros, suggesting that the current starting price could be attractive to buyers.

4. Sales trends: The coin has been auctioned 30 times, of which 20 have sold, indicating good demand. Additionally, there has been a significant number of recent auctions with hammer prices ranging from 25 to 45 euros.

Based on these factors, an estimated maximum purchase price could be between 40 and 60 euros, considering that the condition is high and there is a history of hammer prices supporting this estimate. 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 will consider several factors:

1. Condition: The coin has a condition rating of 100 (S/C), indicating that it is in excellent shape. This generally increases its value compared to coins in lower condition.

2. Auction history:
- The average hammer price in previous auctions is 18 euros.
- In the most recent auction (2020-12-15), the coin sold for 20 euros, which is a good indicator of its current value.
- In other auctions, hammer prices have varied, but many have been in the range of 20 to 25 euros.

3. Starting price and demand: The current starting price is 15 euros, which may attract more bidders. However, the starting price does not always reflect the final hammer price.

4. Price trends: Looking at previous hammer prices, it seems there is a trend for coins in good condition (like this one) to sell for over 20 euros.

Based on these factors, an estimated maximum purchase price could be between 25 and 30 euros, considering that the condition is high and there is demonstrated interest in previous auctions. This also allows for some margin for competition in the 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 95 (S/C-), indicating that it is in very good shape. This generally increases its value compared to coins in lower condition.

2. Auction History:
- The average hammer price in previous auctions is 17.67 euros.
- In past auctions, the hammer price has varied, with some prices reaching up to 35 euros under similar conditions.

3. Starting Price and Estimated Price:
- The current starting price is 12 euros, and the estimated price is 20 euros. This suggests that there are expectations for the coin to sell for a price higher than the starting price.

4. Sales Trends: Of the 19 times it has been auctioned, it has sold 12 times, indicating good demand.

5. Comparison with Previous Prices:
- In previous auctions with similar condition (95), the hammer prices have been 24 euros and 20 euros, suggesting that the market is willing to pay higher prices for coins in good condition.

Based on these factors, an estimated maximum purchase price could be between 25 and 30 euros, considering that the condition is high and that the hammer price history supports this estimate. Therefore, a reasonable maximum purchase price could be 30 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 95 (EF+), indicating that it is in very 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 33.29 euros.
- Previous auctions of this coin have shown hammer prices that vary, but there are examples of sales in the range of 55 to 91 euros for coins in condition 100, and lower prices for coins in condition 95.

3. Starting Price and Estimates:
- The current starting price is 15 euros, which is relatively low compared to previous hammer prices.
- The average starting price for similar coins is 27.76 euros.

4. Sales Trends: The coin has been auctioned 43 times, of which 29 have been sold, indicating good demand.

Based on these factors, an estimated maximum purchase price could be in the range of 50 to 70 euros, considering that the condition is high and that the hammer price history for similar coins supports this estimate.

Therefore, a reasonable maximum purchase price could be 65 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 95 (S/C-), indicating that it is in very good shape. This generally increases its value compared to coins with lower conditions.

2. Previous Prices: By looking at previous auction prices for coins with the same condition (95), we see that there have been auctions that reached up to 120 euros. The average auction price for similar coins is 73.09 euros, but there are cases where it has sold for more.

3. Starting Price: The current starting price is 120 euros, which is a good indicator of the seller's expectations. However, the starting price does not always translate into the final auction price.

4. Sales Trends: The coin has been auctioned 26 times, of which 24 have sold. This indicates good demand and consistent interest in the coin.

5. Comparison with Previous Auction Prices: In previous auctions, the highest final price was 245 euros (although in an unspecified condition), and the most recent price in condition 95 was 120 euros.

Taking all these factors into account, an estimated maximum purchase price could be in the range of 120 to 150 euros. This is based on the good condition of the coin and previous auction prices, as well as market expectations.

Therefore, a reasonable maximum purchase price could be 150 euros.

To estimate a maximum purchase price for the coin that is going to be auctioned, we can consider several factors based on the provided data:

1. Condition of the coin: The coin in question has a condition rating of 100 (S/C), 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 for this coin in the past has been 22.22 euros.
- In previous auctions, the hammer price has reached up to 80 euros on one occasion (auction on 2019-01-23).
- Most auctions have had hammer prices ranging between 15 and 45 euros.

3. Starting price and estimates:
- The current starting price is 20 euros, which is slightly higher than the average starting price of 15.24 euros.
- The estimated price for this auction is 30 euros, suggesting that the coin is expected to reach a value above the starting price.

4. Sales trends: Of the 24 times it has been auctioned, it has sold 18 times, indicating good demand and consistent interest in this coin.

Based on these factors, an estimated maximum purchase price could be in the range of 45 to 80 euros, given that the condition is high and there are precedents for sales in that range. However, to be more conservative and considering the starting price and the average hammer price, a reasonable maximum purchase price could be approximately 60 euros. This allows for competition in the auction and the possibility that other bidders may also be interested in the coin.

To estimate a maximum purchase price for the coin in question, we can analyze the provided data, especially considering the coin's condition, which is 100 (Uncirculated), and previous auction prices.

1. Condition: The coin has a condition of 100 (Uncirculated), indicating that it is in excellent shape. This generally translates to a higher price compared to coins with lower conditions.

2. Previous auction prices:
- In previous auctions, we have seen hammer prices of up to 50 euros for coins in condition 100.
- The average hammer price for similar coins has been 22.22 euros.

3. Starting price and estimates:
- The current starting price is 12 euros, which is reasonable given the history of starting and hammer prices.
- The estimated hammer price in previous auctions has ranged between 15 and 40 euros, with a maximum price of 50 euros in a prior auction.

4. Trends: Given that the coin has been auctioned 15 times in the past and has a successful sales history (9 out of 15), this suggests a steady demand.

Based on these factors, an estimated maximum purchase price for this coin could be in the range of 40 to 50 euros, considering its excellent condition and the history of hammer prices. Therefore, a reasonable maximum purchase price could be 45 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 95 (S/C-), indicating that it is in very good shape. This generally increases its value compared to coins with lower conditions.

2. Auction History:
- In the past, the coin has been auctioned 32 times, of which it has sold 22 times. This indicates good demand.
- Previous hammer prices for coins with similar condition (95) have reached up to 75 euros (in the auction on 2021-10-05).
- In the most recent auction (2024-09-19), the hammer price was 20 euros, suggesting that interest may have fluctuated.

3. Starting Price and Average Prices:
- The current starting price is 18 euros, and the average hammer price in the past has been 12.09 euros. However, the average starting price has been 12.29 euros, indicating that the current starting price is relatively high.

4. Price Trends:
- The price trend appears to be increasing, especially for coins in good condition. The last auction with a condition of 95 had a hammer price of 20 euros, suggesting that the market is willing to pay more for coins in this condition.

Based on these factors, an estimated maximum purchase price could be between 25 and 30 euros. This is based on the good condition of the coin and the demonstrated interest in previous auctions, as well as the highest recorded hammer price for similar coins.

To estimate a maximum purchase price for the coin in question, let’s consider the following factors:

1. Starting price: 1200 euros.
2. Average hammer price in the past: 1300 euros.
3. Condition of the coin: 100 (Uncirculated), indicating it is in excellent condition.
4. Auction history: It has been auctioned once before, with a hammer price of 1300 euros.

Given that the coin is in high condition and has reached a hammer price of 1300 euros in the past, it is reasonable to assume that interest in this coin will remain. Additionally, the fact that there have been no failed sale attempts suggests that there is demand.

Taking these factors into account, an estimated maximum purchase price could be slightly above the previous average hammer price, considering that the market may have evolved.

Therefore, an estimated maximum purchase price could be approximately 1400 euros. This reflects a slight increase over the previous hammer price, taking into account the good condition and potential demand.

To estimate a maximum purchase price for the coin in question, let's consider the following factors:

1. Starting price: 1500 euros.
2. Average hammer price: 1600 euros.
3. Current condition: 95 (S/C-), which is good condition, although lower than the condition of 100 from the previous auction.
4. Historical data: In the previous auction, the coin was estimated at 1200 euros and sold for 1600 euros, with a condition of 100.

Since the current condition is slightly lower than that of the previous auction, this could influence the price. However, the starting price and the average hammer price are good indicators of demand and interest in the coin.

Taking all these factors into account, an estimated maximum purchase price could be around 1500-1600 euros, considering that the average hammer price in the previous auction was 1600 euros and that the current condition is good, although not as high as the previous one.

Therefore, a reasonable maximum purchase price could be 1600 euros.

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 100 (S/C), 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 27 euros.
- The coin has been auctioned 14 times, of which it has sold 9 times, indicating good demand.
- Previous hammer prices varied, but there are examples of auctions reaching up to 110 euros under similar conditions.

3. Starting Price and Estimated Prices:
- The current starting price is 6 euros, which is relatively low compared to the average hammer price.
- The average starting price in previous auctions is 17.62 euros, suggesting that the current starting price could be a good opportunity.

4. Recent Trends: In the most recent auctions, estimated prices have been higher, suggesting that interest in this coin may be increasing.

Taking all these factors into account, an estimated maximum purchase price could be in the range of 50 to 70 euros, considering that the condition is excellent and there is a history of hammer prices that supports this estimate.