![Golduck [Blue Back] #55](/api/images/junkpal-products/cards/golduck-blue-back-55-pokemon-japanese-topsun-card/img0/cover.webp)
Ungraded vs PSA 10 Golduck [Blue Back] #55: price difference
Golduck [Blue Back] #55 value — Ungraded $11 vs PSA 10 $694. PSA 10 sells for 63.09× Ungraded (+6209%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 63.09× (+6209%) the Ungraded price — a $683 difference per card.
Grade 9 sells for 8.18× (+718%) the Ungraded price — a $79 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Golduck [Blue Back] #55, the jump from Ungraded to PSA 10 is worth $683 (63.09×) — 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).