Based on the data provided, we can observe that the coin in question has had an average auction closing price of 33.43 euros in previous auctions. Additionally, the current condition of the coin is 80 (MBC+).

Considering that the coin's condition is quite good and the average auction closing price in previous auctions has been 33.43 euros, we could estimate a maximum purchase price around 35-40 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 stay attentive during the auction to adjust your offer accordingly.