Based on the provided data, we can observe that the coin in question has had an average starting price in previous auctions of 146.36 euros and an average closing price of 159.27 euros. The condition of this coin has been described as 70 (VF-).

Additionally, prices from previous auctions have been provided, along with estimated prices and condition values. Below is a summary of the previous prices for this coin:

- Auction Date: 2020-11-19, Starting Price: 110, Estimated Price: 200, Closing Price: 150, Condition Value: 80
- Auction Date: 2020-10-21, Starting Price: 150, Estimated Price: 250, Closing Price: 170, Condition Value: 80
- ...

Given that the condition of the coin is described as 70 (VF-), and considering the previous prices from similar auctions, as well as the average closing price, we could estimate a maximum purchase price of around 180-190 euros for this coin in the next auction. It is important to note that this is just an estimate and the final price may vary depending on demand and other factors at the auction.