Based on the provided data, we can observe that the coin in question has had an average starting price in previous auctions of 82.2 euros and an average closing price of 150.1 euros. The current condition of the coin is 85 (ebc-).

When analyzing the previous prices of this coin in past auctions, we can see that it has had a wide price range, from 27.54 euros to 520.15 euros. However, the most recent closing price was 80 euros with a condition of 75.

Given that the coin will be auctioned with a starting price of 60 euros and considering its price history, condition, and the fact that it has been sold in the past, we could estimate a maximum purchase price around 120-140 euros. This is considering that the coin is in relatively good condition and has fetched higher closing prices in previous auctions.

It is important to note that the final auction price will depend on the demand at that specific moment, so it is advisable to keep an eye on its evolution.