Should you grade Rayquaza #20?

Borderline

+$19758.26

net at PSA 10, but the gem rate is 3.3% — profitable only if it gems

The ledger

Raw card$62.50
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$3042.35
PSA 10 sale$22958.10
Net at PSA 10+$19758.26
Net if it grades PSA 9 instead+$880.58

3.3% of the 599 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.