Ungraded vs PSA 10 Colress's Experiment #190: price difference
Colress's Experiment #190 value — Ungraded $3 vs PSA 10 $25. PSA 10 sells for 8.33× Ungraded (+733%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 8.33× (+733%) the Ungraded price — a $22 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 Colress's Experiment #190, the jump from Ungraded to PSA 10 is worth $22 (8.33×) — at today's prices that doesn't cover the fee — grading this one is for the collection, not the flip. 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).