Should You Grade Pokémon Tower #42 from Wizards Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Pokémon Tower #42. Current PSA 10 gem rate is 28.5% based on 751 graded copies. PSA 10 sales average $130.25 vs a raw market of $11.50. Expected value of grading: $-21.86 (-27% ROI). Verdict: Sell raw.
Wizards Black Star Promos · #42 · Promo
Default-tier verdict
Sell raw$-22 (-27% ROI)
Based on raw market $11.50, PSA 10 $130.25, gem rate 28.5% (751 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Pokémon Tower #42 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 | 214 | 28.5% |
| PSA 9 | 332 | 44.2% |
| PSA 8 | 135 | 18.0% |
| PSA 7 | 46 | 6.1% |
