Based on the data provided, we can observe that the coin in question had a starting price of 75 euros in the most recent auction, with a conservation grade of 85 (ebc-). Additionally, it has been auctioned in the past on several occasions, with varying starting and final prices.

The average starting price of this coin has been 23.93 euros, while the average final price has been 28.92 euros. In previous auctions, starting and final prices have ranged from 6 to 120 euros, with estimates ranging from 9 to 150 euros.

Taking into account the conservation grade of the coin and the previous auction prices, as well as the fact that it will be auctioned in the coming days, we could estimate a maximum purchase price of around 110 euros. This price aligns with previous estimates and the conservation value of the coin.

It is important to note that the final auction price may vary depending on the demand at that specific moment, so it is advisable to monitor the auction to adjust the offer accordingly.