Ungraded vs PSA 10 Koffing [1st Edition] #51: price difference

Koffing [1st Edition] #51 value — Ungraded $23 vs PSA 10 $513. PSA 10 sells for 22.3× Ungraded (+2130%). Prices updated July 2026.

↗ Rising · +64%

GradeSold medianvs Ungraded

Ungraded$23—eBay ↗

Grade 9$703.04× · +204%eBay ↗

PSA 10$51322.3× · +2130%eBay ↗

Medians of real sold listings per grade, updated July 2026 — how we compute values.

Ungraded vs PSA 10

$23→$513

PSA 10 sells for 22.3× (+2130%) the Ungraded price — a $490 difference per card.

Grade 9 vs PSA 10

$70→$513

PSA 10 sells for 7.33× (+633%) the Grade 9 price — a $443 difference per card.

Should you get this card graded?

Grading runs about $30 per card all-in. On Koffing [1st Edition] #51, the jump from Ungraded to PSA 10 is worth $490 (22.3×) — if your copy grades at the top, that premium can cover the fee. A grade below the top one changes the math, so run your exact numbers first.

Run the grading break-even math →

See current eBay listings See sold Koffing [1st Edition] #51 listings ↗Full Koffing [1st Edition] #51 price guide →

Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).