Based on the data provided, we can observe that the coin has had an average auction price of 190.64 euros in the past. Additionally, the condition of this coin is described as '75 (VF).'

Considering that the coin's condition is VF (Very Fine), and taking into account the historical average auction price, as well as the current starting price of 75 euros, we could estimate a maximum purchase price around 200-220 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.