Should you grade Mew #15?

Borderline

+$1531.32

net at PSA 10, but the gem rate is 0.9% — profitable only if it gems

The ledger

Raw card$99.53
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$264.06
PSA 10 sale$1989.90
Net at PSA 10+$1531.32
Net if it grades PSA 9 instead+$412.33

0.9% of the 700 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.