![Slowpoke [1999-2000] #55](/api/images/junkpal-products/cards/slowpoke-1999-2000-55-pokemon-fossil-card/img0/cover.webp)
Ungraded vs PSA 10 Slowpoke [1999-2000] #55: price difference
Slowpoke [1999-2000] #55 value — Ungraded $68 vs PSA 10 $207. PSA 10 sells for 3.04× Ungraded (+204%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 3.04× (+204%) the Ungraded price — a $139 difference per card.
PSA 10 sells for 2.35× (+135%) the Grade 9 price — a $119 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Slowpoke [1999-2000] #55, the jump from Ungraded to PSA 10 is worth $139 (3.04×) — 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).