Best Koffing Cards to Grade
The Koffing cards where grading pays off most — ranked by net profit from raw to PSA 10 after real grading costs, with each card's estimated gem rate and risk-adjusted return. Top pick: Koffing (Cosmic Eclipse) at +$205 best-case net.
| # | Card | Raw | PSA 10 | Cost | Net (best) | Risk-adj. |
|---|---|---|---|---|---|---|
| 1 | $37 | $315 | $73 | +$205 | +$15 | |
| 2 | $13 | $178 | $72 | +$93 | +$19 | |
| 3 | $5 | $140 | $71 | +$63 | −$5 |
Net (best) = PSA 10 value − raw value − grading cost (PSA fees as of 2026-06-28). Risk-adjusted weights every grade by its estimated likelihood from PSA population (cumulative and biased toward nicer copies — a guide, not a guarantee).