Should you grade Shaymin #10?

Borderline

+$328.24

net at PSA 10, but the gem rate is 24.3% — profitable only if it gems

The ledger

Raw card$5.24
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$65.91
PSA 10 sale$494.38
Net at PSA 10+$328.24
Net if it grades PSA 9 instead$-84.21

24.3% of the 169 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.