Should You Grade Cloyster #20 from FireRed & LeafGreen?
Enter your PSA 10 sale estimate and raw cost on the calculator below to compute the grading EV for Cloyster #20. Detailed PSA population data is not yet available for this card.
Should You Grade Cloyster?
FireRed & LeafGreen · #20 · Rare
About this calculator
This page computes the expected value (EV) of submitting Cloyster #20 to PSA for grading. EV factors in real PSA population data (gem rates), live market prices for raw and graded copies, and PSA's tiered fee structure including upcharges when a card's graded value exceeds the tier's Max Insured Value. Adjust the inputs to match your card's exact condition for a personalized recommendation.
PSA population summary
| Grade | Population | Rate |
|---|---|---|
| PSA 10 | 12 | 9.0% |
| PSA 9 | 17 | 12.8% |
| PSA 8 | 7 | 5.3% |
| PSA 7 | 1 | 0.8% |
