Based on the provided data, we can observe that the coin in question has had an average auction closing price of 314.93 euros in previous auctions. Additionally, the current condition of the coin is 70 (VF-).

Considering that the condition of the coin is relatively good (70), and that the average auction closing price in previous auctions has been 314.93 euros, we could estimate a maximum purchase price around 350-400 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 coin in question.