Should you grade Mew #101?

Borderline

+$9199.83

net at PSA 10, but the gem rate is 11.0% — profitable only if it gems

The ledger

Raw card$355.72
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$1474.46
PSA 10 sale$11125.00
Net at PSA 10+$9199.83
Net if it grades PSA 9 instead+$664.37

11.0% of the 599 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.