Ungraded vs PSA 10 Jerry Koosman #610 1970 Topps Baseball: price difference
Jerry Koosman #610 1970 Topps Baseball value — Ungraded $6 vs PSA 10 $415. PSA 10 sells for 69.17× Ungraded (+6817%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 69.17× (+6817%) the Ungraded price — a $409 difference per card.
Grade 9 sells for 13.33× (+1233%) the Ungraded price — a $74 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Jerry Koosman #610 1970 Topps Baseball, the jump from Ungraded to PSA 10 is worth $409 (69.17×) — 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).