Should you grade Mew V #251?

Borderline

+$171.31

net at PSA 10, but the gem rate is 43.5% — profitable only if it gems

The ledger

Raw card$97.65
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$56.05
PSA 10 sale$420.00
Net at PSA 10+$171.31
Net if it grades PSA 9 instead$-88.94

43.5% of the 14,549 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.