![Gengar [Stamped] #306](/api/images/junkpal-products/cards/gengar-stamped-306-pokemon-chinese-gem-pack-3-card/img0/cover.webp)
Ungraded vs PSA 10 Gengar [Stamped] #306: price difference
Gengar [Stamped] #306 value — Ungraded $5 vs PSA 10 $60. PSA 10 sells for 12× Ungraded (+1100%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 12× (+1100%) the Ungraded price — a $55 difference per card.
PSA 10 sells for 3.53× (+253%) the Grade 9 price — a $43 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Gengar [Stamped] #306, the jump from Ungraded to PSA 10 is worth $55 (12×) — 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).