
Ungraded vs PSA 10 Bob Chance #564 1966 Topps Baseball: price difference
Bob Chance #564 1966 Topps Baseball value — Ungraded $19 vs PSA 10 $630. PSA 10 sells for 33.16× Ungraded (+3216%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 33.16× (+3216%) the Ungraded price — a $611 difference per card.
Grade 9 sells for 8.47× (+747%) the Ungraded price — a $142 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Bob Chance #564 1966 Topps Baseball, the jump from Ungraded to PSA 10 is worth $611 (33.16×) — 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).