Based on the provided data, we can observe that the coin has had an average starting price of 79.23 euros in previous auctions, with an average closing price of 124.08 euros. The condition of this coin has been described as 75 (VF).

Additionally, previous prices of this coin have been recorded in past auctions, with price estimates ranging between 40 and 400 euros, depending on the date and condition.

Given that the coin has been auctioned 83 times in the past and sold 77 times, we can infer that there is considerable interest in this coin among collectors.

Taking all these factors into consideration, and considering that the coin will be auctioned in euros, the estimated maximum purchase price for this coin in an auction could be around 150-180 euros, taking into account its price history and the demand it has shown in previous auctions.