Ungraded vs PSA 10 Slowpoke #183-SM-P: price difference
Slowpoke #183-SM-P value — Ungraded $18 vs PSA 10 $133. PSA 10 sells for 7.39× Ungraded (+639%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 7.39× (+639%) the Ungraded price — a $115 difference per card.
PSA 10 sells for 2.96× (+196%) the Grade 9 price — a $88 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Slowpoke #183-SM-P, the jump from Ungraded to PSA 10 is worth $115 (7.39×) — 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).