Should you grade Ambipom #79?

Borderline

+$20.99

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

The ledger

Raw card$0.14
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$18.20
PSA 10 sale$134.32
Net at PSA 10+$20.99
Net if it grades PSA 9 instead$-82.08

25.0% of the 12 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.