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 75 (MBC), indicating that it is in relatively good shape, but not among the highest quality.

2. Auction History:
- The average hammer price for similar coins has been 63.88 euros.
- In previous auctions, hammer prices have varied, with some reaching up to 135 euros in similar or better conditions.

3. Starting Price: The starting price is 30 euros, which may influence the perception of the coin's value.

4. Price Trends: Observing previous hammer prices, there is a trend for coins in similar conditions (75) to sell in a range of 50 to 75 euros, with some exceptional cases reaching higher prices.

Based on these factors, an estimated maximum purchase price for this coin could be around 75-85 euros, considering that the condition is good and there is a price history that supports this estimate. However, it is important to keep in mind that the market can vary and that demand at the time of the auction will also influence the final price.

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

1. Current Condition: The coin has a grade of 75 (MBC), indicating that it is in fairly good condition, but not among the best qualities.

2. Previous Prices: By looking at the auction prices of coins with similar grades (75-80), we can see that the hammer prices have varied. For example:
- In previous auctions, coins with a grade of 75 have reached hammer prices of up to 60 euros.
- Coins with a grade of 80 have reached hammer prices of up to 110 euros.

3. Average Hammer Price: The average hammer price for this coin is 60.04 euros, which gives us a good reference.

4. Recent Trends: In the most recent auctions, hammer prices have shown an increase, especially for coins in good condition. For example, in a recent auction, a coin with a grade of 90 sold for 190 euros.

5. Starting Price: The starting price is 15 euros, indicating that there is considerable room for the hammer price to be higher.

Based on these factors, an estimated maximum purchase price for the coin with a grade of 75 could be between 70 and 90 euros, considering that the market may be willing to pay more for coins in good condition and that there is an upward trend in hammer prices.

Therefore, a reasonable maximum purchase price could be 80 euros.

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

1. Starting price: 18 euros.
2. Coin condition: 80 (MBC+), indicating good preservation.
3. Auction history:
- In 2017, the coin was auctioned with a starting price of 18 euros and sold for 30 euros.
- In another auction in 2017, the starting price was 25 euros, with a final bid of 50 euros.

4. Average final bid price: 53.33 euros, suggesting that, in general, coins of this reference tend to sell for higher prices than the starting price.

Given that the condition is good and considering the previous final bid prices, an estimated maximum purchase price could be positioned between the average final bid price and the highest final bid observed.

Taking all this into account, an estimated maximum purchase price could be around 50-60 euros. This is based on the fact that the coin is in good condition and has shown a bidding history that exceeds the starting price.

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

2. Auction History:
- The average hammer price for this coin is 295.85 euros.
- In previous auctions, hammer prices have varied, but there are examples of sales that have reached up to 8000 euros in exceptional conditions (such as in the auction on 2022-05-23).

3. Starting Price and Average Starting Price:
- The current starting price is 30 euros, which is quite low compared to the average hammer price.
- The average starting price is 87.66 euros, indicating that similar coins usually start auctioning at higher prices.

4. Recent Trends:
- In the most recent auctions, hammer prices have shown an increase, which could indicate a rising trend in interest for this coin.

5. Comparison with Similar Conditions:
- Coins with similar conditions (70) have had hammer prices that vary, but are generally above the current starting price.

Based on these factors, an estimated maximum purchase price could be in the range of 200 to 300 euros, considering that the condition is good and that the hammer price history suggests it could reach a higher value at auction. However, since the starting price is low, there may be an opportunity to purchase at a more accessible price.

Therefore, a reasonable maximum purchase price could be 250 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 of 70 (MS-). This indicates that it is in an acceptable state, but it is not of the highest quality.

2. Previous Auction Prices: By observing previous auction prices for coins with similar conditions, we can see that:
- In past auctions, coins with conditions ranging from 70 to 80 have reached hammer prices between 60 and 100 euros.
- For example, in the auction on 2020-07-08, a coin with a condition of 75 was sold for 64 euros, and in the auction on 2022-04-27, a coin with a condition of 30 was sold for 70 euros.

3. Average Hammer Price: The average hammer price for this coin is 103.87 euros, suggesting that, in general, coins of this reference tend to sell for higher prices.

4. Starting Price: The starting price is 30 euros, which is relatively low compared to previous hammer prices.

5. Sales Trends: The coin has been auctioned 47 times, of which 40 have resulted in sales. This indicates good demand and consistent interest in this reference.

Based on these factors, an estimated maximum purchase price for the coin with a condition of 70 could be in the range of 80 to 100 euros, considering that the average hammer price is 103.87 euros and that condition is an important factor in determining price.

Therefore, a reasonable maximum purchase price could be 90 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 70 (MS-), indicating that it is in relatively good shape, but not of the highest quality (PR).

2. Auction History:
- The average hammer price for similar coins has been 100.37 euros.
- In previous auctions, coins with a similar condition (70) have reached hammer prices that vary, but some examples are:
- 60 euros (2020-12-15)
- 70 euros (2019-12-10)
- 75 euros (2020-09-17)
- 80 euros (2022-10-18)
- 130 euros (2023-02-16)

3. Starting Price: The starting price is 40 euros, which may attract more bidders.

4. Price Trends: Observing the trends, it seems that the hammer price for coins in similar conditions has been increasing, especially in recent years.

Based on these factors, an estimated maximum purchase price could be between 120 and 150 euros, considering that the average hammer price is 100.37 euros and that there are examples of higher hammer prices for coins in similar conditions.

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. 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 has been 94.91 euros.
- In the past, coins with a similar condition (around 80) have had hammer prices that varied, but some relevant examples are:
- In 2022, a coin with a condition of 80 was sold for 40 euros.
- In 2023, a coin with a condition of 85 was sold for 55 euros.
- In 2022, a coin with a condition of 85 was sold for 130 euros.

3. Starting Price and Average Starting Price:
- The current starting price is 40 euros, and the average starting price for similar coins is 77.73 euros.

4. Recent Trends:
- The price trend appears to be increasing, especially for coins in good condition.

Based on these factors, an estimated maximum purchase price could be between 90 and 120 euros, considering that the condition is good and that the price history shows that similar coins have reached higher prices in recent auctions.

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

To estimate a maximum purchase price for the coin in question, we can analyze the provided data, including the starting price, the current condition of the coin, and the auction hammer prices from previous sales.

1. Current Condition: The coin has a condition of 75 (MS), indicating that it is in average state. This is important because coins in better condition tend to fetch higher prices.

2. Starting Price: The current starting price is 75 euros. This is a good starting point, but it does not necessarily reflect the true value of the coin.

3. Previous Hammer Prices: By looking at the hammer prices of coins with similar conditions (75-80), we can see that they have reached prices that vary considerably. For example:
- In 2014, a coin with a condition of 75 was sold for 191.25 euros.
- In 2022, a coin with a condition of 80 was sold for 135 euros.
- In 2023, a coin with a condition of 80 was sold for 232 euros.

4. Average Hammer Price: The average hammer price for this coin in the past is 297.92 euros, suggesting that, in general, coins of this reference tend to reach higher prices at auctions.

5. Auction Trends: Given that the coin has been auctioned 26 times and sold 23 times, there is good demand for this reference, which may influence the price.

Based on these factors, an estimated maximum purchase price could be between 150 and 250 euros, considering that the condition is 75 and that previous hammer prices have been significantly higher. A price of 200 euros could be a reasonable target, as it falls in the middle of this range and reflects the trend of previous hammer prices.