Should you grade Ditto #51?

Borderline

+$463.30

net at PSA 10, but the gem rate is 34.9% — profitable only if it gems

The ledger

Raw card$70.25
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$96.46
PSA 10 sale$725.00
Net at PSA 10+$463.30
Net if it grades PSA 9 instead+$62.92

34.9% of the 186 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.