![Grimer [Blue Back] #88](/api/images/junkpal-products/cards/grimer-blue-back-88-pokemon-japanese-topsun-card/img0/cover.webp)
Ungraded vs PSA 10 Grimer [Blue Back] #88: price difference
Grimer [Blue Back] #88 value — Ungraded $8 vs PSA 10 $357. PSA 10 sells for 44.63× Ungraded (+4363%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 44.63× (+4363%) the Ungraded price — a $349 difference per card.
PSA 10 sells for 8.93× (+793%) the Grade 9 price — a $317 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Grimer [Blue Back] #88, the jump from Ungraded to PSA 10 is worth $349 (44.63×) — 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).