![Shellder [Blue Back] #90](/api/images/junkpal-products/cards/shellder-blue-back-90-pokemon-japanese-topsun-card/img0/cover.webp)
Ungraded vs PSA 10 Shellder [Blue Back] #90: price difference
Shellder [Blue Back] #90 value — Ungraded $7 vs PSA 10 $402. PSA 10 sells for 57.43× Ungraded (+5643%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 57.43× (+5643%) the Ungraded price — a $395 difference per card.
Grade 9 sells for 11.43× (+1043%) the Ungraded price — a $73 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Shellder [Blue Back] #90, the jump from Ungraded to PSA 10 is worth $395 (57.43×) — 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).