Based on the data provided, we can observe that the coin in question has performed well in previous auctions, with final prices exceeding the starting price in most cases. Additionally, its current condition is estimated at 80 (VF+), which is positive.
The average auction price in previous auctions has been 50 euros, with an average starting price of 57.5 euros. However, in the last recorded auction, the coin reached a final price of 60 euros, surpassing the estimated price of 50 euros.
Taking these data into consideration, as well as the increase in the starting price in the next auction (60 euros), and the fact that the coin's condition is estimated at 80 (VF+), we could estimate a maximum purchase price around 65-70 euros. This is because the coin has performed well in previous auctions and its condition is relatively high, which could increase its attractiveness to potential buyers.