Ungraded vs PSA 10 Professor Elm's Lecture [Reverse Holo] #188: price difference

Professor Elm's Lecture [Reverse Holo] #188 value — Ungraded $2 vs PSA 10 $43. PSA 10 sells for 21.5× Ungraded (+2050%). Prices updated July 2026.

GradeSold medianvs Ungraded
Ungraded$2eBay ↗
Grade 9$189× · +800%eBay ↗
PSA 10$4321.5× · +2050%eBay ↗

Medians of real sold listings per grade, updated July 2026 how we compute values.

Ungraded vs PSA 10
$2$43

PSA 10 sells for 21.5× (+2050%) the Ungraded price — a $41 difference per card.

Ungraded vs Grade 9
$2$18

Grade 9 sells for (+800%) the Ungraded price — a $16 difference per card.

Should you get this card graded?

Grading runs about $30 per card all-in. On Professor Elm's Lecture [Reverse Holo] #188, the jump from Ungraded to PSA 10 is worth $41 (21.5×) — 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 →
See current eBay listingsSee sold Professor Elm's Lecture [Reverse Holo] #188 listings ↗Full Professor Elm's Lecture [Reverse Holo] #188 price guide →

Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).