Should you grade Nincada #66?

Borderline

+$3.91

net at PSA 10, but the gem rate is 34.5% — profitable only if it gems

The ledger

Raw card$0.46
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$15.64
PSA 10 sale$115.00
Net at PSA 10+$3.91
Net if it grades PSA 9 instead$-74.17

34.5% of the 29 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.