Should you grade Magneton #20?

Borderline

+$73.97

net at PSA 10, but the gem rate is 30.4% — profitable only if it gems

The ledger

Raw card$20.74
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$29.43
PSA 10 sale$219.13
Net at PSA 10+$73.97
Net if it grades PSA 9 instead$-70.96

30.4% of the 112 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.