Based on the data provided, we can observe that the coin has had an average auction closing price of 224.75 euros in previous auctions. Additionally, the current condition of the coin is 75 (VF).

Considering that the current condition of the coin is 75 (VF) and the average auction closing price in previous auctions has been 224.75 euros, we can estimate a maximum purchase price for this coin in the upcoming auction.

Given that the current condition of the coin is relatively good (75 VF) and the average auction closing price in previous auctions has been 224.75 euros, we could consider an estimated maximum purchase price around 250-270 euros.

It is important to note that the final auction price may vary depending on factors such as demand at that specific time, competition from other bidders, and interest in the particular coin.