![Blastoise Ex [Stamped] #30](/api/images/junkpal-products/cards/blastoise-ex-stamped-30-pokemon-stellar-crown-card/img0/cover.webp)
Ungraded vs PSA 10 Blastoise Ex [Stamped] #30: price difference
Blastoise Ex [Stamped] #30 value — Ungraded $3 vs PSA 10 $74. PSA 10 sells for 24.67× Ungraded (+2367%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 24.67× (+2367%) the Ungraded price — a $71 difference per card.
Grade 9 sells for 13× (+1200%) the Ungraded price — a $36 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Blastoise Ex [Stamped] #30, the jump from Ungraded to PSA 10 is worth $71 (24.67×) — 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).