![Undersea Ruins [Reverse Holo] #138](/api/images/junkpal-products/cards/undersea-ruins-reverse-holo-138-pokemon-aquapolis-card/img0/cover.webp)
Ungraded vs PSA 10 Undersea Ruins [Reverse Holo] #138: price difference
Undersea Ruins [Reverse Holo] #138 value — Ungraded $14 vs PSA 10 $307. PSA 10 sells for 21.93× Ungraded (+2093%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 21.93× (+2093%) the Ungraded price — a $293 difference per card.
PSA 10 sells for 7.68× (+668%) the Grade 9 price — a $267 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Undersea Ruins [Reverse Holo] #138, the jump from Ungraded to PSA 10 is worth $293 (21.93×) — 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).