Should You Grade Cleffa #31 from Wizards Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Cleffa #31. Current PSA 10 gem rate is 31.7% based on 1,316 graded copies. PSA 10 sales average $435.00 vs a raw market of $14.88. Expected value of grading: $79.05 (93% ROI). Verdict: Grade It.
Wizards Black Star Promos · #31 · Promo
Default-tier verdict
Grade It+$79 (+93% ROI)
Based on raw market $14.88, PSA 10 $435.00, gem rate 31.7% (1,316 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Cleffa #31 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 | 417 | 31.7% |
| PSA 9 | 542 | 41.2% |
| PSA 8 | 226 | 17.2% |
| PSA 7 | 65 | 4.9% |
