Based on the data provided, we can observe that the coin has had an average auction closing price of 91.9 euros in previous auctions. Additionally, the current condition of the coin is 70 (VF+).

Considering that the current condition of the coin is relatively good and that the average auction closing price in previous auctions has been 91.9 euros, we could estimate a maximum purchase price around 100 euros. However, keep in mind that this is just an estimate and the final price may vary depending on factors such as demand at the auction and competition from other bidders.