Should you grade Blastoise #4?

Borderline

+$11746.90

net at PSA 10, but the gem rate is 5.7% — profitable only if it gems

The ledger

Raw card$260.64
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$1848.97
PSA 10 sale$13951.50
Net at PSA 10+$11746.90
Net if it grades PSA 9 instead+$1090.01

5.7% of the 1,553 copies PSA has graded came back a 10. Pop gem rates are a ceiling — centering and surface on your copy decide.

Prices from real completed sales, updated daily. Population data from PSA's public population report.