Based on the data provided, we can observe that the coin has had an average auction closing price of 141.59 euros in previous auctions. Additionally, the current condition of the coin is 75 (VF).

Considering that the coin will be auctioned in the upcoming days with a starting price of 25 euros and taking into account its previous price history, we can estimate a maximum purchase price. Given that the average closing price has been 141.59 euros and the current condition is 75 (VF), we could consider an estimated maximum purchase price around 130-150 euros.

It is important to note that the final auction price will depend on various factors, such as demand at that specific moment, competition from other bidders, and the perceived condition by potential buyers. Therefore, it is advisable to stay attentive during the auction and adjust the bid accordingly.