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 80 (MBC+). Additionally, it has been auctioned in the past on several occasions, with closing prices ranging between 17 and 200 euros.

The average closing price of this coin has been 45.18 euros, and the average starting price has been 24.77 euros. Considering that the current conservation grade is 80 (MBC+), and that in the past it has reached prices of up to 200 euros, we could estimate a maximum purchase price in this current auction around 180 euros.

It is important to take into account that the final auction price will depend on several factors, such as the demand at that specific moment, the competition from other bidders, and the buyers' perception of the coin's value in that conservation grade. Therefore, it is advisable to pay attention to the auction and adjust the offer accordingly.