Based on the data provided, we can observe that the coin in question has had a starting price in this auction of 60 euros and is in a conservation grade of 80 (MBC+). Additionally, it has been auctioned in the past on several occasions, with closing prices ranging between 9 and 323 euros.

The average starting price of previous auctions has been 40.96 euros, while the average closing price has been 53.76 euros. Considering that the conservation grade of the coin is 80 (MBC+), we can assume it is in fairly good condition.

Given that the starting price in this auction is 60 euros and taking into account previous closing prices, as well as the conservation grade of the coin, we could estimate a maximum purchase price around 70-80 euros. It is important to note that the final price will depend on the demand at the auction and the willingness of buyers to bid on this particular coin.