![Professor Oak's Research [Reverse Holo] #149](/api/images/junkpal-products/cards/professor-oak-s-research-reverse-holo-149-pokemon-expedition-card/img0/cover.webp)
Ungraded vs PSA 10 Professor Oak's Research [Reverse Holo] #149: price difference
Professor Oak's Research [Reverse Holo] #149 value — Ungraded $12 vs PSA 10 $96. PSA 10 sells for 8× Ungraded (+700%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 8× (+700%) the Ungraded price — a $84 difference per card.
Grade 9 sells for 4.08× (+308%) the Ungraded price — a $37 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Professor Oak's Research [Reverse Holo] #149, the jump from Ungraded to PSA 10 is worth $84 (8×) — 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).