Should you grade Cobalion #144?

Borderline

+$133.16

net at PSA 10, but the gem rate is 24.1% — profitable only if it gems

The ledger

Raw card$31.70
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$40.15
PSA 10 sale$300.00
Net at PSA 10+$133.16
Net if it grades PSA 9 instead$-99.09

24.1% of the 577 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.