Based on the data provided, we can observe that the coin in question has had a starting price in this auction of 25 euros, with a conservation grade of 70 (MBC-). Additionally, it has been auctioned in the past on several occasions, with closing prices ranging between 19 and 245 euros.

The average starting price in previous auctions has been 54.5 euros, while the average closing price has been 85.86 euros. The coin has been sold in 93.33% of previous auctions.

Given that the conservation grade of the coin is 70 (MBC-), and considering the previous closing prices, as well as the fact that it has sold in the majority of previous auctions, we could estimate a maximum purchase price around 90-100 euros for this coin in the current auction. It is important to note that this is just an estimate and the final price could vary depending on the demand at the auction.