![Omanyte [Series II] #138](/api/images/junkpal-products/cards/omanyte-series-ii-138-pokemon-japanese-vending-card/img0/cover.webp)
Ungraded vs PSA 10 Omanyte [Series II] #138: price difference
Omanyte [Series II] #138 value — Ungraded $39 vs PSA 10 $509. PSA 10 sells for 13.05× Ungraded (+1205%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 13.05× (+1205%) the Ungraded price — a $470 difference per card.
PSA 10 sells for 4.17× (+317%) the Grade 9 price — a $387 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Omanyte [Series II] #138, the jump from Ungraded to PSA 10 is worth $470 (13.05×) — 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).