Ungraded vs PSA 10 Sam McDowell #470 1966 Topps Baseball: price difference
Sam McDowell #470 1966 Topps Baseball value — Ungraded $10 vs PSA 10 $825. PSA 10 sells for 82.5× Ungraded (+8150%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 82.5× (+8150%) the Ungraded price — a $815 difference per card.
Grade 9 sells for 26.2× (+2520%) the Ungraded price — a $252 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Sam McDowell #470 1966 Topps Baseball, the jump from Ungraded to PSA 10 is worth $815 (82.5×) — 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).