Based on the provided data, we can observe that the coin in question had a starting price of 25 euros in the most recent auction, with a grade of 95 (EBC+). Additionally, it has been auctioned a total of 39 times in the past, being sold in 34 instances and not sold in 5 instances.

The average starting price of previous auctions has been 11.84 euros, while the average final price has been 16.87 euros. Regarding the previous prices of this coin, there has been a variation in starting, estimated, and final prices over the years, ranging between 5 and 60 euros.

Given the high grade of the coin (95 - EBC+) and considering the trend of previous prices, as well as the fact that it is expected to be auctioned in the coming days, we could estimate a maximum purchase price around 40-50 euros. This takes into account that the most recent starting price was 25 euros and the average final price has been 16.87 euros.

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's progress to adjust the offer accordingly.