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 not of high quality. In comparison with previously auctioned coins, those with a condition of 75 or 80 have reached higher auction prices.

2. Previous Auction Prices:
- In previous auctions, coins with a condition of 70 have had auction prices of up to 9 euros.
- Coins with a condition of 75 have reached auction prices of up to 50 euros.
- Coins with a condition of 80 have reached auction prices of up to 200 euros.

3. Average Auction Price: The average auction price for this coin is 44.85 euros, suggesting that, in general, coins of this reference tend to sell for relatively high prices.

4. Starting Price: The starting price is 15 euros, which is a good starting point for the auction.

5. Sales Trends: Out of the 17 times it has been auctioned, it has sold 13 times, indicating good demand.

Based on these factors, an estimated maximum purchase price could be in the range of 30 to 50 euros, considering that the current condition is 70 and the average auction price is 44.85 euros.

Therefore, a reasonable estimated maximum purchase price could be 40 euros. This allows for a margin for competition in the auction, given that the starting price is 15 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 30 (BC+). This is relatively low compared to other coins that have been auctioned, which may affect its value.

2. Auction History:
- The average hammer price for coins with a similar condition (30) in the past has been approximately 20-30 euros.
- In previous auctions, hammer prices for coins with a condition of 30 have varied, but many have reached between 12 and 40 euros.

3. Starting Price and Average Starting Price:
- The current starting price is 12 euros, and the average starting price in the past has been 25.9 euros. This suggests that the starting price is relatively low compared to the historical average.

4. Sales Trends:
- Out of the 54 times it has been auctioned, it has sold 31 times, indicating a reasonable sell-through rate. This may influence demand and, therefore, the price.

5. Previous Prices:
- In past auctions, the estimated price for coins with a condition of 30 has been up to 20-30 euros, and some have reached up to 40 euros at auction.

Based on these factors, an estimated maximum purchase price for this coin could be between 20 and 30 euros, considering that the condition is a limiting factor. However, if there is particular interest in this coin or if the auction generates competition, the price could exceed 30 euros, but it is unlikely to reach 40 euros given its condition.

Therefore, a reasonable maximum purchase price could be 30 euros.

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 (70), we can see that they have varied. Some examples are:
- 2020-09-17: Auction price 25
- 2020-05-26: Auction price 18
- 2019-07-03: Auction price 18
- 2018-10-15: Auction price 10
- 2022-10-17: Auction price 21

3. Price Trends: The average auction price for this coin is 39.8 euros, but this includes coins in better conditions. Given that the condition of the coin at auction is 70, it is reasonable to expect that the auction price will be below this average.

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

5. Estimation: Based on previous auction prices and the current condition, a reasonable maximum purchase price could be in the range of 25 to 35 euros. This aligns with previous auction prices for coins of similar condition and also takes into account the starting price.

Therefore, an estimated maximum purchase price for this coin 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 of 70 (MS-), which indicates that it is in relatively good shape. This generally translates to a higher price compared to coins with lower conditions.

2. Auction History:
- The average starting price from previous auctions is 37.5 euros, and the average hammer price is 61.4 euros.
- In previous auctions, hammer prices have varied, with a maximum of 92 euros and a minimum of 50 euros.

3. Price Trends:
- The last auction with a similar condition (70) had a hammer price of 70 euros.
- The highest recorded auction was 92 euros, suggesting there is potential to reach higher prices depending on demand.

4. Current Starting Price: The starting price is 20 euros, which is relatively low compared to previous hammer prices.

Based on these factors, an estimated maximum purchase price could be in the range of 70 to 90 euros, considering that the condition is good and there is a price history that supports 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. Current Condition: The coin has a condition of 70 (VF-), indicating that it is in relatively good shape, but not of the best quality (UNC).

2. Auction History:
- The average hammer price in previous auctions has been 32 euros.
- Previous auctions with similar conditions (75) have had hammer prices ranging between 45 and 67 euros.
- The last auction with a condition of 30 had a hammer price of 40 euros, suggesting that condition significantly influences the price.

3. Starting Price: The current starting price is 25 euros, which is a good starting point.

4. Price Trends: Observing previous hammer prices, it seems there is a trend for coins with similar conditions to sell above the starting price, especially if the condition is better.

Given that the condition of the coin is 70 and considering the hammer price history, an estimated maximum purchase price could be between 40 and 60 euros. This is based on the fact that, although the condition is not the best, there is a price history suggesting it could reach a higher price at auction.

Therefore, a reasonable estimated maximum purchase price could be 50 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 70 (VF-), which indicates that it is in relatively good shape, but not of the highest quality (UNC).

2. Auction History:
- The average hammer price in previous auctions is 84.11 euros.
- The coin has been auctioned 12 times, of which it has sold 10 times, indicating good demand.
- Previous hammer prices for coins with similar conditions (75 and 80) have ranged between 60 and 200 euros.

3. Starting Price and Estimates:
- The current starting price is 40 euros, which is relatively low compared to the average hammer price.
- The estimated price for this auction is 90 euros, suggesting expectations for it to sell at a higher price.

4. Price Trends:
- In previous auctions, hammer prices have varied, but there are examples of coins with similar conditions that have sold for significantly higher prices (up to 200 euros).

Based on these factors, an estimated maximum purchase price could be in the range of 80 to 100 euros. This is because, although the condition is not the highest, demand and price history suggest it could reach a higher price at auction.

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

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 rating of 75 (MBC), indicating that it is in quite good shape.

2. Previous Auction Prices: By looking at the auction prices of coins with a similar condition (75), we can see that they have varied, but generally, the auction prices for coins in this condition range have been around 70 to 130 euros.

3. Average Auction Price: The average auction price for this particular coin is 104.55 euros, which is also a good indicator.

4. Auction Trends: The coin has been auctioned 98 times, of which it has sold 92 times. This suggests good demand and consistent interest in the coin.

5. Starting Price: The starting price is 60 euros, which is reasonable, but given the auction price history, it seems there is potential for a higher auction price.

Based on these factors, an estimated maximum purchase price could be around 120-130 euros, considering that the condition is good and that the auction price history supports this figure. This also takes into account the possibility that some buyers may be willing to pay a bit more for a coin in good condition.

To estimate a maximum purchase price for the coin in question, we can analyze the provided data:

1. Condition: The coin has a condition of 70 (VF-), indicating that it is in relatively good shape. This may positively influence its price.

2. Auction History:
- The average hammer price in previous auctions is 19.27 euros.
- In auctions where the coin has been sold with a similar condition (70), the hammer prices have varied, but there are examples where prices have reached up to 30 euros (such as in the auction on 2022-07-14).

3. Starting and Hammer Prices:
- The current starting price is 12 euros, which is lower than the historical average hammer price.
- The average starting price in previous auctions is 15.27 euros, suggesting that the current starting price is competitive.

4. Price Trends:
- In previous auctions, hammer prices have ranged between 12 and 30 euros for coins with similar conditions.

Based on this data, an estimated maximum purchase price could be set in a range between 25 and 30 euros, considering that the condition is good and that the price history shows that hammer prices have reached that range. 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. 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 the past has been 63.13 euros.
- In previous auctions, the coin has reached hammer prices of up to 130 euros (in 2016) and has had several hammer prices in the range of 30 to 100 euros, depending on the condition and starting price.

3. Starting Price and Average Starting Price:
- The current starting price is 30 euros, which is relatively low compared to the average hammer price.
- The average starting price of 50.26 euros suggests that similar coins usually start auctioning at a higher price.

4. Recent Trends: In the most recent auctions, the coin has had hammer prices ranging from 33 to 100 euros, indicating a consistent interest in this type of coin.

Based on these factors, an estimated maximum purchase price could be in the range of 80 to 100 euros, considering the good condition and the hammer price history. This would allow for effective competition in the auction without exceeding the market value observed in previous auctions.

Therefore, an estimated maximum purchase price could be 100 euros.