Based on the data provided, we can observe that the coin in question has had an average auction closing price of 111.17 euros in previous auctions. Additionally, the current condition of the coin is 80 (VF+).

Considering that the condition of the coin is relatively good and the average auction closing price has been 111.17 euros, we could estimate a maximum purchase price around that value or slightly higher. Given the condition is 80 (VF+), we could consider an estimated maximum purchase price of around 115-120 euros.

It is important to note 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 willingness of buyers to pay for that particular coin.