![Slowpoke [Reverse Holo] #83](/api/images/junkpal-products/cards/slowpoke-reverse-holo-83-pokemon-delta-species-card/img0/cover.webp)
Ungraded vs PSA 10 Slowpoke [Reverse Holo] #83: price difference
Slowpoke [Reverse Holo] #83 value — Ungraded $65 vs PSA 10 $1675. PSA 10 sells for 25.77× Ungraded (+2477%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 25.77× (+2477%) the Ungraded price — a $1,610 difference per card.
PSA 10 sells for 8.72× (+772%) the Grade 9 price — a $1,483 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Slowpoke [Reverse Holo] #83, the jump from Ungraded to PSA 10 is worth $1,610 (25.77×) — 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).