Should you grade Spearow #21?

Borderline

+$43.37

net at PSA 10, but the gem rate is 37.5% — profitable only if it gems

The ledger

Raw card$7.12
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$22.68
PSA 10 sale$168.16
Net at PSA 10+$43.37
Net if it grades PSA 9 instead$-82.72

37.5% of the 24 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.