Based on the data provided, we can observe that the coin in question had a starting price in the most recent auction of 1000 euros, with an estimated price of 1500 euros and a final price of 1600 euros. Additionally, its condition has been described as 75 (VF).

Considering the previous prices of this coin and its evolution in previous auctions, as well as the fact that it has sold in most occasions, we could estimate a maximum purchase price around 1700-1800 euros. Given that the last auction had a final price of 1600 euros, and considering the upward trend in final prices, a maximum purchase price of 1700-1800 euros could be reasonable.

It is important to note that the final auction price will depend on several factors, such as demand at that specific moment, competition from other bidders, and the perceived value of the coin in that particular auction.