Should you grade Mew #10?

Borderline

+$3315.03

net at PSA 10, but the gem rate is 6.1% — profitable only if it gems

The ledger

Raw card$112.50
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$538.48
PSA 10 sale$4061.00
Net at PSA 10+$3315.03
Net if it grades PSA 9 instead+$377.24

6.1% of the 789 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.