Should You Grade Koffing #243 from Cosmic Eclipse?
Free PSA grading EV calculator pre-loaded with live market data for Koffing #243. Current PSA 10 gem rate is 30.2% based on 2,137 graded copies. PSA 10 sales average $385.00 vs a raw market of $30.65. Expected value of grading: $57.79 (57% ROI). Verdict: Grade It.
Cosmic Eclipse · #243 · Rare Secret
Default-tier verdict
Grade It+$58 (+57% ROI)
Based on raw market $30.65, PSA 10 $385.00, gem rate 30.2% (2,137 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Koffing #243 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 | 645 | 30.2% |
| PSA 9 | 1,099 | 51.4% |
| PSA 8 | 315 | 14.7% |
| PSA 7 | 53 | 2.5% |
