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 75 (MBC). Additionally, it has been auctioned in the past on several occasions, with closing prices ranging between 32 and 280 euros.

The average starting price of previous auctions has been 51.36 euros, while the average closing price has been 118.7 euros. The coin has been sold in 90% of previous auctions.

Taking into consideration these data, as well as the price evolution in previous auctions, and considering that the conservation grade of the coin is 75 (MBC), we could estimate a maximum purchase price around 150 euros. It is important to note that this is just an estimate and the final price may vary depending on factors such as demand in the current auction and competition from other bidders.