Should you grade Gengar #27?

Borderline

+$6364.99

net at PSA 10, but the gem rate is 3.1% — profitable only if it gems

The ledger

Raw card$45.00
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$994.02
PSA 10 sale$7499.00
Net at PSA 10+$6364.99
Net if it grades PSA 9 instead+$119.86

3.1% of the 129 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.