![Gastly [1999-2000] #50](/api/images/junkpal-products/cards/gastly-1999-2000-50-pokemon-base-set-card/img0/cover.webp)
Ungraded vs PSA 10 Gastly [1999-2000] #50: price difference
Gastly [1999-2000] #50 value — Ungraded $3 vs PSA 10 $143. PSA 10 sells for 47.67× Ungraded (+4667%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 47.67× (+4667%) the Ungraded price — a $140 difference per card.
Grade 9 sells for 13.33× (+1233%) the Ungraded price — a $37 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Gastly [1999-2000] #50, the jump from Ungraded to PSA 10 is worth $140 (47.67×) — 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).