Should you grade Mienshao #134?

Borderline

+$29.74

net at PSA 10, but the gem rate is 15.0% — profitable only if it gems

The ledger

Raw card$9.74
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$21.00
PSA 10 sale$155.47
Net at PSA 10+$29.74
Net if it grades PSA 9 instead$-86.57

15.0% of the 353 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.