Should you grade Brock's Golem #20?

Borderline

+$114.61

net at PSA 10, but the gem rate is 20.3% — profitable only if it gems

The ledger

Raw card$12.52
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$34.39
PSA 10 sale$256.51
Net at PSA 10+$114.61
Net if it grades PSA 9 instead$-72.93

20.3% of the 128 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.