Based on the data provided, we can observe that the coin in question has had a starting price in the current auction of 60 euros and is in a conservation grade of 70 (MBC-). Additionally, it has been auctioned in the past on several occasions, with closing prices ranging between 38 and 400 euros.

The average closing price of this coin in the past has been 117.23 euros, with an average starting price of 71.67 euros. Considering the current conservation grade of 70 (MBC-), we can estimate that the closing price of this coin in the current auction could fall within a similar range to the historical average closing price.

Given that the current starting price is 60 euros and the conservation grade is 70 (MBC-), we could estimate a closing price for this coin around 100-120 euros. Please note that this is just an estimate and the final price could vary depending on the demand in the current auction.