![Tim Duncan [Refractor] #21 2003 Topps Chrome Basketball](/api/images/junkpal-products/sports/tim-duncan-refractor-21-basketball-cards-2003-topps-chrome-sport/cover.webp)
Ungraded vs PSA 10 Tim Duncan [Refractor] #21 2003 Topps Chrome Basketball: price difference
Tim Duncan [Refractor] #21 2003 Topps Chrome Basketball value — Ungraded $25 vs PSA 10 $240. PSA 10 sells for 9.6× Ungraded (+860%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 9.6× (+860%) the Ungraded price — a $215 difference per card.
PSA 10 sells for 3.87× (+287%) the Grade 9 price — a $178 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Tim Duncan [Refractor] #21 2003 Topps Chrome Basketball, the jump from Ungraded to PSA 10 is worth $215 (9.6×) — 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).