Should you grade Gengar #17?

Borderline

+$1502.99

net at PSA 10, but the gem rate is 2.6% — profitable only if it gems

The ledger

Raw card$39.24
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$250.53
PSA 10 sale$1887.75
Net at PSA 10+$1502.99
Net if it grades PSA 9 instead$-4.51

2.6% of the 193 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.