![Gyarados [Prerelease] #34](/api/images/junkpal-products/cards/gyarados-prerelease-34-pokemon-evolutions-card/img0/cover.webp)
Ungraded vs PSA 10 Gyarados [Prerelease] #34: price difference
Gyarados [Prerelease] #34 value — Ungraded $172 vs PSA 10 $871. PSA 10 sells for 5.06× Ungraded (+406%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 5.06× (+406%) the Ungraded price — a $699 difference per card.
PSA 10 sells for 3.71× (+271%) the Grade 9 price — a $636 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Gyarados [Prerelease] #34, the jump from Ungraded to PSA 10 is worth $699 (5.06×) — 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).