Should you grade Poliwhirl #38?

Borderline

+$37.72

net at PSA 10, but the gem rate is 18.5% — profitable only if it gems

The ledger

Raw card$1.79
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$21.00
PSA 10 sale$155.50
Net at PSA 10+$37.72
Net if it grades PSA 9 instead$-58.06

18.5% of the 1,537 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.