![Tim Duncan [Ruby Wave Prizm] #399 2015 Panini Prizm Basketball](/api/images/junkpal-products/sports/tim-duncan-ruby-wave-prizm-399-basketball-cards-2015-panini-prizm-sport/cover.webp)
Ungraded vs PSA 10 Tim Duncan [Ruby Wave Prizm] #399 2015 Panini Prizm Basketball: price difference
Tim Duncan [Ruby Wave Prizm] #399 2015 Panini Prizm Basketball value — Ungraded $8 vs PSA 10 $39. PSA 10 sells for 4.88× Ungraded (+388%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 4.88× (+388%) the Ungraded price — a $31 difference per card.
PSA 10 sells for 2.29× (+129%) the Grade 9 price — a $22 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Tim Duncan [Ruby Wave Prizm] #399 2015 Panini Prizm Basketball, the jump from Ungraded to PSA 10 is worth $31 (4.88×) — 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).