Based on the provided data, we can observe that the coin in question has had an average auction closing price of 87.67 euros in previous auctions. Additionally, its current condition is 85 (ebc-).

Considering that the condition is quite good and the average auction closing price has been 87.67 euros, we could estimate a maximum purchase price around 90-95 euros. Given that the starting price in this auction is 80 euros, this estimated price range seems reasonable.

It is important to consider that factors such as demand at the time of the auction and competition from other bidders can influence the final price of the coin.