Based on the data provided, we can observe that the coin in question has had an average auction closing price of 46.44 euros in previous auctions. Additionally, its condition has been described as 75 (VF), indicating a fairly good but not excellent preservation.

Considering that the starting price for the upcoming auction is 15 euros and the historical average starting price is 34 euros, we could estimate a maximum purchase price around 50-55 euros, taking into account the history of previous auctions and the condition 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 keep an eye on the auction's progress if you are interested in acquiring this coin.