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

1. Current Condition: The coin has a condition rating of 80 (MBC+), indicating that it is in quite good shape. This is important because coins in better condition tend to fetch higher prices.

2. Auction History:
- The coin has been auctioned 5 times and has sold in all of them, indicating consistent interest in the coin.
- Previous hammer prices varied, but there is a range from 220 to 320 euros, depending on the condition and market context at each auction.

3. Current Starting Price: The starting price is 425 euros, which is significantly higher than previous hammer prices. This may indicate that the seller expects high interest or that demand has increased.

4. Average Hammer Price: The average hammer price of 262.2 euros suggests that, in general, coins of this reference sell for a price lower than the current starting price.

5. Condition Trends: Observing the conditions of previously auctioned coins, the majority of the higher hammer prices correspond to coins with higher conditions (95 and 85). The coin in question, with a condition of 80, may fall into a lower price range.

Taking all these factors into account, an estimated maximum purchase price could be in the range of 300 to 350 euros. This is based on the history of hammer prices and the current condition of the coin, which, while good, does not reach the levels of coins that have sold for higher prices.

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-). This indicates that it is in an acceptable state, but not of high quality. Coins with a higher condition tend to reach higher prices at auctions.

2. Sales History: The coin has been auctioned 79 times, of which 74 have been successful sales. This suggests that there is a consistent interest in this coin.

3. Previous Hammer Prices: By observing previous hammer prices, we can see that coins with similar conditions have reached varying hammer prices. For example:
- A coin with a condition of 85 sold for 255 euros.
- Another with a condition of 95 sold for 370 euros.
- A coin with a condition of 80 sold for 220 euros.

4. Average Hammer Price: The average hammer price for this coin is 338.79 euros, indicating that, in general, buyers are willing to pay close to this amount.

5. Starting Price: The starting price is 250 euros, which is a good starting point for the auction.

Given that the coin's condition is 70 (VF-), and considering the hammer price history of coins with similar conditions, an estimated maximum purchase price could be between 250 and 300 euros. This is based on the fact that, although the condition is not the highest, the interest in the coin and the sales history suggest that it could reach a reasonable price.

Therefore, an estimated maximum purchase price could be approximately 300 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 auction prices: By looking at the hammer prices from previous auctions for coins with a similar condition (95 or 100), we can see that the hammer prices have varied, but there are recent examples showing hammer prices of up to 400 euros.

3. Current starting price: The starting price is 400 euros, which is a good indicator of the seller's expectations. However, the starting price does not always translate into the final hammer price.

4. Sales trends: The coin has been auctioned 66 times in the past, of which it has sold 60 times. This indicates good demand and a history of successful sales.

5. Average prices: The average hammer price in the past has been 253.48 euros, suggesting that while there is potential to reach higher prices, the hammer price tends to be below the starting price.

Given all this, an estimated maximum purchase price could be in the range of 400 to 480 euros, considering that there have been recent auctions in that range and that the coin's condition is high. However, it is important to keep in mind that the final price will depend on the competition in the auction and the interest of other buyers.

Therefore, a reasonable maximum purchase price could be 480 euros.

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

1. Current Condition: The coin has a condition rating of 80 (MBC+), indicating that it is in fairly good shape, although not the best possible condition.

2. Auction History:
- The coin has been auctioned 9 times and has sold on all occasions, suggesting there is demand for this coin.
- The average hammer price in previous auctions is 300 euros, which can serve as a reference.

3. Previous Auction Prices:
- In 2023, a similar coin was auctioned with a hammer price of 530 euros and a condition of 95, indicating that coins in better condition can reach higher prices.
- In 2019, a coin with a condition of 85 sold for 240 euros, suggesting that the price can vary significantly with the condition.

4. Current Starting Price: The starting price is 450 euros, which is higher than the average hammer price of 300 euros, but may be justified by the demand and condition.

5. Maximum Price Estimate: Given that the coin's condition is 80 and considering the price history, a maximum purchase price could be set between the average hammer price and a bit higher, since the starting price is 450 euros.

Taking all these factors into account, an estimated maximum purchase price could be approximately 400 to 450 euros. This would allow for competitive bidding in the auction without exceeding the starting price, while also recognizing the historical value and demand for the coin.

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

1. Current Condition: The coin has a condition rating of 80 (MBC+), indicating that it is in good shape. This is relevant because coins in better condition tend to fetch higher prices at auctions.

2. Auction History:
- It has been auctioned 4 times in the past, and all have sold, indicating a consistent interest in this coin.
- The previous hammer prices have been:
- 260 (condition 70)
- 272 (condition 80)
- 300 (condition 80)
- 261 (condition 70)

3. Current Starting Price: The starting price is 475 euros, which is significantly higher than the previous hammer prices.

4. Average Hammer Price: The average hammer price from previous auctions is 273.25 euros, suggesting that the current starting price is quite high in comparison to the history.

5. Price Trends: Given that the coin's condition is 80, which is the same as in two of the previous auctions, we might expect the hammer price to be in a similar range of 272-300 euros.

Based on this data, an estimated maximum purchase price could be in the range of 300 to 350 euros, considering that the condition is good and there is interest in the coin, but also taking into account that the starting price is quite high and may not be reached in the auction.

Therefore, a reasonable maximum purchase price could be 350 euros.

Given that the coin has a conservation rating of 80 (MBC+), which indicates good quality, and considering that this is the first time it is being auctioned, the starting price is set at 90 euros.

Without historical sales data for this reference, it is difficult to establish a maximum estimated purchase price based on past trends. However, since the starting price is 90 euros and the conservation is good, we could estimate that the final price could be in a range of 90 to 120 euros, depending on the interest from collectors and the competition in the auction.

Therefore, a maximum estimated purchase price could be around 120 euros, assuming there is moderate interest in the coin.

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 80 (MS+). This is an important factor, as coins in better condition tend to reach higher prices.

2. Previous Prices: By observing the hammer prices of coins with similar conditions, we can see that prices have varied. For example, in previous auctions, coins with conditions ranging from 80 to 90 have reached hammer prices between 270 and 400 euros.

3. Starting Price and Average Hammer Price: The current starting price is 400 euros, and the average hammer price in the past has been 266.85 euros. This suggests that the starting price is relatively high compared to the average hammer price.

4. Recent Trends: In the most recent auctions, hammer prices have shown an upward trend, especially for coins in good condition.

5. Comparison with Similar Auctions: In previous auctions, coins with condition ratings of 80 have reached hammer prices of up to 400 euros, especially if they were auctioned in a favorable context.

Taking all these factors into account, an estimated maximum purchase price for this coin could be around 450 euros. This price reflects a balance between the coin's condition, previous hammer prices, and the current market trend.