Koffing #243 PSA 10

Koffing #243 PSA 10 Price

$385.00

Pop 10: 645Gem rate: 30.2%Premium: 9.9x rawPSA 9: $68.72
Sales-based, updated weekly

PSA 10 price history

$383.18$29.50Feb '21Mar '24Jul '26Aug '26Sep '26
Low $29.50 · High $383.18▲ 77.7% over this range

Every grade, priced

GradeMarket valuePSA population
PSA 10 (Gem Mint)$385.00645
Grade 9.5$76.00—
PSA 9 (Mint)$68.721,099
Grade 8$23.50315
Grade 7$19.0053
BGS 10$501.00—
CGC 10$80.15—
Raw (ungraded)$38.77—

PSA has graded 2,137 copies of Koffing #243 in total — 30.2% came back Gem Mint. Full cross-company population lives on the card page.

Thinking of grading your copy?

The math is on the card page: live grading expected value from this card's real gem rate and PSA prices, minus fees. And before you submit anything, the grading guide covers the self-checks that separate 10 candidates from expensive 9s.

Good to know

Koffing PSA 10 FAQ

How much is Koffing worth in PSA 10?

Koffing #243 from Cosmic Eclipse is currently worth $385.00 in PSA 10 Gem Mint, based on graded sales data updated weekly. A raw copy trades around $38.77 — the PSA 10 carries a 9.9x premium.

How many PSA 10 copies of Koffing exist?

PSA has graded 2,137 copies, and 645 earned the Gem Mint 10 label — a 30.2% gem rate. Population grows over time as new copies are submitted.

Is Koffing worth grading?

Run the math, not the hope: grading costs roughly $20-25 per card, so a submission pays when the PSA 10 price times your realistic gem chance beats the raw price plus fees. This card gems at about 30.2%. The live grading expected value is computed on the main card page.

PSA 10 vs PSA 9 — how big is the difference for Koffing?

A PSA 10 is worth $385.00 against $68.72 for a PSA 9 — a 5.6x gap. That gap is why centering and surface checks before submitting matter more than anything else.