Should you grade Tapu Koko #51?

Borderline

+$76.04

net at PSA 10, but the gem rate is 24.6% — profitable only if it gems

The ledger

Raw card$2.07
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$26.90
PSA 10 sale$200.00
Net at PSA 10+$76.04
Net if it grades PSA 9 instead$-70.16

24.6% of the 264 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.