Should You Grade Mewtwo #10 from Base Set 2?
Free PSA grading EV calculator pre-loaded with live market data for Mewtwo #10. Current PSA 10 gem rate is 1.8% based on 4,419 graded copies. PSA 10 sales average $5089.71 vs a raw market of $36.14. Expected value of grading: $-440.20 (-68% ROI). Verdict: Sell raw.
Base Set 2 · #10 · Rare Holo
Verdict
Sell raw$-440 (-68% ROI)
Based on raw cost $36.14, PSA 10 $5089.71, gem rate 1.8% (4,419 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Mewtwo #10 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 | 80 | 1.8% |
| PSA 9 | 823 | 18.6% |
| PSA 8 | 1,224 | 27.7% |
| PSA 7 | 882 | 20.0% |
