![Psyduck [Stamped] #SM199](/api/images/junkpal-products/cards/psyduck-stamped-sm199-pokemon-promo-card/img0/cover.webp)
Ungraded vs PSA 10 Psyduck [Stamped] #SM199: price difference
Psyduck [Stamped] #SM199 value — Ungraded $32 vs PSA 10 $73. PSA 10 sells for 2.28× Ungraded (+128%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 2.28× (+128%) the Ungraded price — a $41 difference per card.
Grade 9 sells for 2.06× (+106%) the Ungraded price — a $34 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Psyduck [Stamped] #SM199, the jump from Ungraded to PSA 10 is worth $41 (2.28×) — 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).