Should you grade Slowking #28?

Borderline

+$31.30

net at PSA 10, but the gem rate is 25.0% — profitable only if it gems

The ledger

Raw card$4.49
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$20.44
PSA 10 sale$151.22
Net at PSA 10+$31.30
Net if it grades PSA 9 instead$-20.45

25.0% 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.