Based on the data provided, we can observe that the coin in question has had a starting price in the current auction of 35 euros, with a grade of 85 (ebc-). Additionally, it has been auctioned in the past on several occasions, with closing prices ranging between 20 and 47.67 euros.

The average closing price in previous auctions has been 29.63 euros, while the average starting price has been 27.76 euros. Considering that the grade of the coin is 85 (ebc-) and that it has reached prices of up to 47.67 euros in the past, we could estimate a maximum purchase price around 50 euros.

It is important to note that the final auction price may vary depending on factors such as demand at that specific moment, competition from other bidders, and the particular interest that this coin may generate in the current auction.