Should You Grade Mewtwo #14 from Wizards Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Mewtwo #14. Current PSA 10 gem rate is 7.4% based on 4,337 graded copies. PSA 10 sales average $2064.40 vs a raw market of $19.54. Expected value of grading: $8.37 (4% ROI). Verdict: Sell raw.
Wizards Black Star Promos · #14 · Promo
Default-tier verdict
Sell raw+$8 (+4% ROI)
Based on raw market $19.54, PSA 10 $2064.40, gem rate 7.4% (4,337 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Mewtwo #14 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 | 321 | 7.4% |
| PSA 9 | 903 | 20.8% |
| PSA 8 | 808 | 18.6% |
| PSA 7 | 618 | 14.2% |
