![Koffing [Shadowless] #51](/api/images/junkpal-products/cards/koffing-shadowless-51-pokemon-base-set-card/img0/cover.webp)
Ungraded vs PSA 10 Koffing [Shadowless] #51: price difference
Koffing [Shadowless] #51 value — Ungraded $4 vs PSA 10 $236. PSA 10 sells for 59× Ungraded (+5800%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 59× (+5800%) the Ungraded price — a $232 difference per card.
Grade 9 sells for 8.25× (+725%) the Ungraded price — a $29 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Koffing [Shadowless] #51, the jump from Ungraded to PSA 10 is worth $232 (59×) — 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 →Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).