Based on the data provided, we can observe that the coin in question has had an average auction price of 354.46 euros in previous auctions. Additionally, its condition has been described as '75 (VF).'

Considering that the coin's condition is good but not excellent, and that the average auction price has been 354.46 euros, we could estimate a maximum purchase price around 400 euros. This takes into account that the starting price on this occasion is 40 euros, but historically it has reached higher prices in previous auctions.

It is important to note that the final auction price will depend on the demand at that specific moment, so it is advisable to keep an eye on its evolution.