Based on the data provided, we can observe that the coin in question has had an average auction price of 41.61 euros in previous auctions. Additionally, its current condition is 95 (UNC-).

Considering the high condition and the average auction price of 41.61 euros, we could estimate a maximum purchase price around 45-50 euros. Given that the starting price in the upcoming auction is 50 euros, this price range seems reasonable.

It is important to note that the final auction price may vary depending on the demand at that specific time, but based on historical data, a maximum purchase price of around 45-50 euros seems appropriate.