![Voltorb [Blue Back] #100](/api/images/junkpal-products/cards/voltorb-blue-back-100-pokemon-japanese-topsun-card/img0/cover.webp)
Ungraded vs PSA 10 Voltorb [Blue Back] #100: price difference
Voltorb [Blue Back] #100 value — Ungraded $4 vs PSA 10 $376. PSA 10 sells for 94× Ungraded (+9300%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 94× (+9300%) the Ungraded price — a $372 difference per card.
Grade 9 sells for 31× (+3000%) the Ungraded price — a $120 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Voltorb [Blue Back] #100, the jump from Ungraded to PSA 10 is worth $372 (94×) — 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).