Should You Grade Computer Error #16 from Wizards Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Computer Error #16. Current PSA 10 gem rate is 38.6% based on 1,907 graded copies. PSA 10 sales average $272.50 vs a raw market of $7.00. Expected value of grading: $48.44 (63% ROI). Verdict: Grade It.
Wizards Black Star Promos · #16 · Promo
Verdict
Grade It+$48 (+63% ROI)
Based on raw cost $7.00, PSA 10 $272.50, gem rate 38.6% (1,907 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Computer Error #16 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 | 736 | 38.6% |
| PSA 9 | 808 | 42.4% |
| PSA 8 | 246 | 12.9% |
| PSA 7 | 40 | 2.1% |
