![Spearow [Green Back] #21](/api/images/junkpal-products/cards/spearow-green-back-21-pokemon-japanese-topsun-card/img0/cover.webp)
Ungraded vs PSA 10 Spearow [Green Back] #21: price difference
Spearow [Green Back] #21 value — Ungraded $5 vs PSA 10 $280. PSA 10 sells for 56× Ungraded (+5500%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 56× (+5500%) the Ungraded price — a $275 difference per card.
PSA 10 sells for 7.57× (+657%) the Grade 9 price — a $243 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Spearow [Green Back] #21, the jump from Ungraded to PSA 10 is worth $275 (56×) — 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).