Should you grade Haunter #21?

Borderline

+$170.85

net at PSA 10, but the gem rate is 10.0% — profitable only if it gems

The ledger

Raw card$5.83
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$41.96
PSA 10 sale$313.63
Net at PSA 10+$170.85
Net if it grades PSA 9 instead$-57.84

10.0% of the 823 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.