![Psyduck [1st Edition] #18](/api/images/junkpal-products/cards/psyduck-1st-edition-18-pokemon-japanese-holon-phantom-card/img0/cover.webp)
Ungraded vs PSA 10 Psyduck [1st Edition] #18: price difference
Psyduck [1st Edition] #18 value — Ungraded $15 vs PSA 10 $1118. PSA 10 sells for 74.53× Ungraded (+7353%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 74.53× (+7353%) the Ungraded price — a $1,103 difference per card.
PSA 10 sells for 13.15× (+1215%) the Grade 9 price — a $1,033 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Psyduck [1st Edition] #18, the jump from Ungraded to PSA 10 is worth $1,103 (74.53×) — 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).