PSA: Cards with glued-on corners should not be given numerical grades! We know the corner is glued on because there is what appears to be glue on the pre-Moser copy.
From the same sub as the Mathewson I posted yesterday.
Value gain: $1,800
Also check out the two PWCC descriptions of the same marginal-at-best card.
https://www.pwccmarketplace.com/items/1339762
https://www.pwccmarketplace.com/items/1456988