Based on the data provided, we can observe that the coin in question has had a starting price in the current auction of 40 euros, with a conservation grade of 70 (MBC-). Additionally, it has been auctioned in the past on several occasions, with varying starting and final prices.

The average starting price of previous auctions has been 68.5 euros, while the average final price has been 98.75 euros. The coin has been sold in 88.89% of previous auctions.

Considering the previous prices of the coin, as well as its current conservation grade, we could estimate a maximum purchase price around 120-140 euros. It is important to note that this is just an estimate and the final price could vary depending on demand in the current auction.