![Christian Koss [Negative Refractor] #USC26 2025 Topps Chrome Update Baseball](/api/images/junkpal-products/sports/christian-koss-negative-refractor-usc26-baseball-cards-2025-topps-chrome-update-sport/cover.webp)
Ungraded vs PSA 10 Christian Koss [Negative Refractor] #USC26 2025 Topps Chrome Update Baseball: price difference
Christian Koss [Negative Refractor] #USC26 2025 Topps Chrome Update Baseball value — Ungraded $3 vs PSA 10 $51. PSA 10 sells for 17× Ungraded (+1600%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 17× (+1600%) the Ungraded price — a $48 difference per card.
Grade 9 sells for 5.67× (+467%) the Ungraded price — a $14 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Christian Koss [Negative Refractor] #USC26 2025 Topps Chrome Update Baseball, the jump from Ungraded to PSA 10 is worth $48 (17×) — 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).