Based on the provided data, we can see that the coin in question has had a starting price in the current auction of 25 euros and is in a conservation grade of 95 (EBC+). Additionally, it has been auctioned in the past on several occasions, with closing prices ranging between 20 and 95 euros.

The average closing price of this coin in previous auctions has been 42.83 euros, with an average starting price of 32.73 euros. Considering the high conservation grade of the coin (95 EBC+) and its good demand in previous auctions, we could estimate a maximum purchase price around 50-60 euros.

It is important to note that the final auction price will depend on various factors, such as competition from other interested bidders, demand at that specific moment, and buyers' willingness to pay a higher price for a coin in excellent conservation condition.