Should you grade Gengar #20?

Borderline

+$761.14

net at PSA 10, but the gem rate is 6.6% — profitable only if it gems

The ledger

Raw card$23.56
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$134.82
PSA 10 sale$1014.51
Net at PSA 10+$761.14
Net if it grades PSA 9 instead+$5.95

6.6% of the 2,967 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.