Should you grade Steelix #139?

Borderline

+$89.85

net at PSA 10, but the gem rate is 30.6% — profitable only if it gems

The ledger

Raw card$1.13
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$28.86
PSA 10 sale$214.83
Net at PSA 10+$89.85
Net if it grades PSA 9 instead$-87.84

30.6% of the 36 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.