![Mr. Stone's Project [Reverse Holo] #79](/api/images/junkpal-products/cards/mr-stone-s-project-reverse-holo-79-pokemon-emerald-card/img0/cover.webp)
Ungraded vs PSA 10 Mr. Stone's Project [Reverse Holo] #79: price difference
Mr. Stone's Project [Reverse Holo] #79 value — Ungraded $20 vs PSA 10 $277. PSA 10 sells for 13.85× Ungraded (+1285%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 13.85× (+1285%) the Ungraded price — a $257 difference per card.
PSA 10 sells for 6.3× (+530%) the Grade 9 price — a $233 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mr. Stone's Project [Reverse Holo] #79, the jump from Ungraded to PSA 10 is worth $257 (13.85×) — 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).