Should you grade Dark Magneton #28?

Borderline

+$39.86

net at PSA 10, but the gem rate is 10.5% — profitable only if it gems

The ledger

Raw card$6.75
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$22.09
PSA 10 sale$163.69
Net at PSA 10+$39.86
Net if it grades PSA 9 instead$-87.45

10.5% of the 295 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.