Based on the provided data, we can observe that the coin in question has had starting and estimated prices ranging from 5 to 60 euros in previous auctions. The average auction price has been 32.89 euros, with a conservation value of 70 (MBC-).

Considering that the coin is in an acceptable condition and has had starting and estimated prices in the range of 5 to 60 euros in previous auctions, we could estimate a maximum purchase price around 70 euros. This estimation is based on the fact that the average auction price has been 32.89 euros, taking into account the condition and historical demand for the coin.

It is important to note that the final auction price may vary depending on the demand at the time of the auction and other factors that may influence buyers' decisions.