Based on the data provided, we can see that the coin in question has had an average auction closing price of 43.22 euros in previous auctions. The coin's condition is described as "80 (VF+)," indicating that it is in fairly good condition.

Looking at the coin's previous prices in past auctions, we can see that it has had a wide price range, from 9 euros to 150 euros. However, the highest estimated price was 130 euros in a past auction.

Given that the coin is in a condition of 80 (VF+), and considering the highest estimated price of 130 euros in a previous auction, as well as the average auction closing price of 43.22 euros, my recommendation would be to set a maximum estimated purchase price around 120-130 euros. This could be considered a competitive and reasonable price for this coin in the upcoming auction.