Should you grade Jynx #31?

Borderline

+$17.21

net at PSA 10, but the gem rate is 26.1% — profitable only if it gems

The ledger

Raw card$4.04
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$18.22
PSA 10 sale$134.46
Net at PSA 10+$17.21
Net if it grades PSA 9 instead$-62.86

26.1% of the 46 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.