Based on the provided data, we can observe that the coin in question has had an average auction closing price of 62.15 euros in previous auctions. Additionally, its current condition is estimated at 80 (MBC+).

Considering that the average auction closing price has been 62.15 euros and that the current condition is relatively good, we could estimate a maximum purchase price around 70-75 euros. However, keep in mind that the final price in an auction can vary depending on demand and other factors, so it is important to pay attention during the auction to adjust your offer accordingly.