Based on the provided data, we can observe that the coin in question has had an average starting price of 34.22 euros in previous auctions, with an average closing price of 37 euros. The condition of the coin this time is described as 70 (VF-), indicating a medium to low conservation state.

Furthermore, several auctions have been conducted in the past, with estimated prices ranging from 35 to 100 euros. Considering that the coin has been sold in 5 out of the 9 previous auctions, we can assume there is interest in it.

Given the current condition of 70 (VF-), and taking into account the previous prices and the demonstrated interest in the coin, we could estimate a maximum purchase price of around 80 euros. This price aligns with the previous closing prices and the conservation value of the coin.