Based on the provided data, we can observe that the coin in question has had a starting price in the current auction of 125 euros, with a conservation grade of 85 (ebc-). Additionally, it has been auctioned in the past 17 times, sold in 16 instances, and remained unsold once.

The average starting price of previous auctions has been 101.76 euros, while the average final price has been 139.88 euros. Conservation grades in previous auctions have varied, ranging from 70 to 95.

Analyzing the previous prices of the coin, we can see that it has had a wide price range, with estimates ranging from 60 to 300 euros. The last recorded auction had a final price of 200 euros.

Given that the coin is in a conservation grade of 85 (ebc-), and considering the previous prices and the most recent final price, as well as the past demand for the coin, we could estimate a maximum purchase price around 220-240 euros. It is important to note that the final price in the current auction may vary depending on bidder competition and other external factors.