![Dark Slowbro [1st Edition] #12](/api/images/junkpal-products/cards/dark-slowbro-1st-edition-12-pokemon-team-rocket-card/img0/cover.webp)
Ungraded vs PSA 10 Dark Slowbro [1st Edition] #12: price difference
Dark Slowbro [1st Edition] #12 value — Ungraded $82 vs PSA 10 $3088. PSA 10 sells for 37.66× Ungraded (+3666%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 37.66× (+3666%) the Ungraded price — a $3,006 difference per card.
PSA 10 sells for 11.11× (+1011%) the Grade 9 price — a $2,810 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Dark Slowbro [1st Edition] #12, the jump from Ungraded to PSA 10 is worth $3,006 (37.66×) — 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).