Should you grade Blastoise #13?

Borderline

+$254.51

net at PSA 10, but the gem rate is 2.9% — profitable only if it gems

The ledger

Raw card$10.98
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$55.52
PSA 10 sale$416.00
Net at PSA 10+$254.51
Net if it grades PSA 9 instead$-33.93

2.9% of the 308 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.