![Arbok [1999-2000] #31](/api/images/junkpal-products/cards/arbok-1999-2000-31-pokemon-fossil-card/img0/cover.webp)
Ungraded vs PSA 10 Arbok [1999-2000] #31: price difference
Arbok [1999-2000] #31 value — Ungraded $2 vs PSA 10 $400. PSA 10 sells for 200× Ungraded (+19900%). Prices updated July 2026.
↘ Falling · -49%
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs PSA 10
$2→$400
PSA 10 sells for 200× (+19900%) the Ungraded price — a $398 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Arbok [1999-2000] #31, the jump from Ungraded to PSA 10 is worth $398 (200×) — 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).