![Professor Oak [Shadowless] #88](/api/images/junkpal-products/cards/professor-oak-shadowless-88-pokemon-base-set-card/img0/cover.webp)
Ungraded vs PSA 10 Professor Oak [Shadowless] #88: price difference
Professor Oak [Shadowless] #88 value — Ungraded $4 vs PSA 10 $290. PSA 10 sells for 72.5× Ungraded (+7150%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 72.5× (+7150%) the Ungraded price — a $286 difference per card.
Grade 9 sells for 17.25× (+1625%) the Ungraded price — a $65 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Professor Oak [Shadowless] #88, the jump from Ungraded to PSA 10 is worth $286 (72.5×) — 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).