Based on the data provided, we can observe that the coin in question had an opening price of 12 euros in this auction, with a conservation grade of 30 (BC+). Additionally, it has been auctioned five times in the past, with an average starting price of 32.8 euros and an average closing price of 60 euros.

When analyzing the previous prices of this coin, we can see that in the last auction recorded in February 2023, the starting price was 25 euros, the estimated price was 35 euros, and the closing price was 60 euros, with a conservation grade of 70 (FDC).

Considering this data and the price history of the coin, as well as its current conservation grade, we could estimate a maximum purchase price in this auction around 40-50 euros. It is important to note that factors such as demand at the auction and competition from other bidders can influence the final closing price.