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 has been 63.08 euros.
- In previous auctions, hammer prices have varied, but there are examples of hammer prices reaching up to 130 euros (in 2016) for coins of similar or lower condition.

3. Starting Price and Estimated Price:
- The current starting price is 75 euros, which is higher than the average starting price of 50.83 euros. This may indicate an expectation that the coin will sell for a higher price due to its good condition.
- The estimated price of 90 euros in a previous auction (2018) also suggests that there is potential to reach higher prices.

4. Sales Trends: Of the 18 times it has been auctioned, 12 have resulted in sales, indicating a consistent interest in this coin.

Taking all these factors into account, an estimated maximum purchase price could be in the range of 90 to 130 euros, considering that the condition is good and there are precedents for high hammer prices. However, to be conservative and taking into account the starting price, a reasonable maximum purchase price could be 100 euros. This allows for competition in the auction and reflects the interest in the coin.

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 80 (MBC+), 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 is 164.17 euros.
- In the past, there have been auctions where the coin has sold for significantly higher prices, such as 700 euros in an auction in 2018 with a condition rating of 95.
- Most of the time, the hammer price has been above the starting price, indicating consistent demand.

3. Starting Price and Previous Prices:
- The current starting price is 70 euros, which is reasonable given the price history.
- The average starting price of 66.11 euros suggests that the current starting price is aligned with past trends.

4. Supply and Demand: Since it has been auctioned 8 times in the past and sold 6 of those times, there is interest in this coin.

Based on these factors, an estimated maximum purchase price could be slightly higher than the average hammer price, considering the condition and demand.

Estimated Maximum Purchase Price: 200 euros.

This price reflects a balance between the coin's condition, price history, and market demand.

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

1. Current Condition: The coin is in a condition of 90 (EF), indicating that it is in very good shape. This generally translates to a higher price compared to coins in lower conditions.

2. Auction History:
- The average hammer price for similar coins in condition 90 has been 60.91 euros.
- In previous auctions, coins in condition 90 have sold for varying prices, but the last recorded hammer price was 240 euros, indicating a high selling potential for coins in this condition.

3. Starting Price and Average Starting Price:
- The current starting price is 60 euros, which is a good starting point, but the average starting price of 41.16 euros suggests that there may be competition keeping the price lower.

4. Demand and Supply: The coin has been auctioned 25 times, with a sell-through rate of 96% (24 out of 25), indicating a consistent interest in this coin.

5. Recent Trends: The last hammer price of 240 euros for a coin in condition 90 suggests that there is a market willing to pay more for coins in excellent condition.

Based on these factors, an estimated maximum purchase price could be in the range of 150 to 240 euros, considering that the highest recorded hammer price for a coin in similar condition was 240 euros. However, since the starting price is 60 euros, it is likely that the final hammer price will be closer to the average, so a reasonable maximum purchase price could be approximately 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 of 70 (VF-). This indicates that it is in an acceptable state, but not among the best qualities.

2. Starting Price: The starting price is 90 euros. This is the starting point for the auction.

3. Sales History:
- The average hammer price for similar coins is 141.24 euros.
- In previous auctions, coins with similar conditions (70) have had hammer prices that varied, but some examples are:
- 75 euros (2020-11-10)
- 130 euros (2020-12-15)
- 110 euros (2020-11-10)
- 150 euros (2020-10-21)
- 130 euros (2020-09-22)

4. Recent Trends: In recent auctions, the hammer price has shown a range that can reach up to 360 euros for coins in better condition, but for the current condition, it is more reasonable to expect a lower price.

5. Auction Expectations: Given that there is a scheduled auction and interest in the coin may vary, it is important to consider that the price may fluctuate depending on demand.

Based on these factors, an estimated maximum purchase price for this coin could be between 130 and 150 euros, considering that it is a reasonable price based on its condition and sales history. However, if there is significant interest in the auction, it could reach a bit higher, but it is wise not to exceed 150 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. Current Condition: The coin has a condition rating of 80 (MBC+), indicating that it is in quite good shape. This generally translates to a higher price compared to coins with lower conditions.

2. Previous Auction Prices:
- The average hammer price for this coin has been 128.56 euros.
- In previous auctions, coins with a similar condition (80) have reached hammer prices of up to 220 euros (as seen in the auction on November 24, 2020).

3. Starting Price and Average Starting Price:
- The current starting price is 60 euros, which is relatively low compared to the average hammer price.
- The average starting price has been 82.12 euros, suggesting that the current starting price could be attractive to buyers.

4. Sales Trends: The coin has been sold in 25 out of the last 26 auctions, indicating good demand.

5. Maximum Price Estimate: Given that the condition is good and considering previous hammer prices, a reasonable maximum purchase price could be in the range of 180 to 220 euros, based on the highest recorded hammer price for a coin of similar condition.

Therefore, an estimated maximum purchase price for this coin could be 200 euros. This is based on previous price trends and the current condition of the coin.

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

1. Starting Price: 90 euros.
2. Condition: The coin has a condition rating of 30 (BC+), indicating that it is not in very good shape. This may affect its value compared to coins in better condition.
3. Auction History:
- In 2016, the coin was auctioned with a starting price of 25 euros and sold for 35 euros.
- In 2014, the starting price was 60 euros, with a final bid of 110 euros.
- In 2021, although there was no starting price, it was estimated at 100 euros and sold for 240 euros, but the condition was rated at 70, which is significantly better than the current one.

4. Average Final Price: 128.33 euros, indicating that, in general, coins of this reference tend to reach higher prices at auctions.

5. Auction Trends: The coin has sold on all previous occasions, suggesting a consistent interest in this reference.

Given that the current condition is 30, which is quite low, and considering the starting price of 90 euros, an estimated maximum purchase price could be in a range that reflects both the interest in the coin and its condition.

Taking all these factors into account, an estimated maximum purchase price could be around 100-120 euros. This allows for some competition in the auction while also reflecting the condition of the coin.

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 80 (MBC+), indicating that it is in good condition. This generally translates to a higher price compared to coins with lower conditions.

2. Starting Price and Average Hammer Price: The starting price is 60 euros, and the average hammer price in previous auctions is 72.41 euros. This suggests that, on average, similar coins have reached prices above the starting price.

3. Sales History: The coin has been auctioned 36 times, of which it has sold 27 times. This indicates good demand and a history of successful sales.

4. Previous Prices: By looking at previous hammer prices for coins with similar conditions (80 and 75), we can see that they have reached hammer prices of up to 90 euros on some occasions.

5. Recent Trends: In the most recent auctions, hammer prices have been in the range of 60 to 90 euros for similar conditions.

Based on these factors, an estimated maximum purchase price could be in the range of 90 to 100 euros, considering that the condition is good and the sales history supports a higher price. Therefore, a reasonable maximum purchase price could be 100 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 85 (MBC+/EBC-), 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 104.75 euros.
- In previous auctions, hammer prices have ranged from 25 euros to 320 euros, depending on condition and other factors.

3. Starting Price and Estimated Price:
- The current starting price is 75 euros, which is reasonable given the price history.
- The estimated price of 300 euros in a previous auction (2021) for a coin with a similar condition (85) suggests there is significant potential for a higher hammer price.

4. Sales Trends: The coin has been sold in 13 out of the last 15 auctions, indicating good demand.

Based on these factors, an estimated maximum purchase price could be in the range of 150 to 200 euros. This is based on the hammer price history and the current condition of the coin. However, since the starting price is 75 euros, it is likely that the actual hammer price will be closer to the lower end of this range unless there is significant competition in the auction.

Therefore, a reasonable maximum purchase price could be 200 euros.