Koffing [1999-2000] #51

Ungraded vs PSA 10 Koffing [1999-2000] #51: price difference

Koffing [1999-2000] #51 value — Ungraded $3 vs PSA 10 $93. PSA 10 sells for 31× Ungraded (+3000%). Prices updated July 2026.

↘ Falling · -27%
GradeSold medianvs Ungraded
Ungraded$3—eBay ↗
Grade 9$3210.67× · +967%eBay ↗
PSA 10$9331× · +3000%eBay ↗

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

Ungraded vs PSA 10
$3→$93

PSA 10 sells for 31× (+3000%) the Ungraded price — a $90 difference per card.

Ungraded vs Grade 9
$3→$32

Grade 9 sells for 10.67× (+967%) the Ungraded price — a $29 difference per card.

Should you get this card graded?

Grading runs about $30 per card all-in. On Koffing [1999-2000] #51, the jump from Ungraded to PSA 10 is worth $90 (31×) — 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 listingsSee sold Koffing [1999-2000] #51 listings ↗Full Koffing [1999-2000] #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).