Based on the data provided, we can observe that the coin in question has had an average starting price in previous auctions of 55.69 euros, with an average closing price of 92.85 euros. Additionally, it has been auctioned a total of 11 times in the past, being sold in 7 instances and not sold in 4 instances.

The current condition of the coin is rated at 75 (VF), indicating that it is in an acceptable but not excellent condition.

When analyzing the previous prices of the coin in past auctions, we can see that it has had starting prices ranging from 20 euros to 75 euros, with closing prices reaching up to 260 euros on one occasion. The conservation rating has fluctuated between 85 and 90.

Given that the coin is in an acceptable condition and has had closing prices exceeding 90 euros in the past, we could estimate a maximum purchase price around 100-120 euros, considering the demand and the history of previous auctions. However, it is important to note that the final price in an auction can vary depending on the competition from other bidders and external factors.