Based on the data provided, we can observe that the coin has had an average auction price of 108.34 euros in the past. Additionally, the condition of the coin in this auction is 75 (MBC).

Considering that the condition of the coin is 75 (MBC) and the historical average auction price is 108.34 euros, we could estimate a maximum purchase price around 110-120 euros for this particular auction. It is important to note that this is just an estimate and the final price may vary depending on demand at the auction and other external factors.