Based on the data provided, we can observe that the coin has had an average auction price of 50.67 euros in the past. Additionally, the condition of the coin in this auction is 70 (VF-).

Considering that the average auction price has been 50.67 euros and that the condition of the coin is 70 (VF-), we can estimate a maximum purchase price around 55-60 euros. It is important to note that this is just an estimate and the final price may vary depending on factors such as demand at the auction and buyers' interest at that specific moment.