Ungraded vs PSA 10 Billy Williams #580 1966 Topps Baseball: price difference
Billy Williams #580 1966 Topps Baseball value — Ungraded $44 vs PSA 10 $18000. PSA 10 sells for 409.09× Ungraded (+40809%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 409.09× (+40809%) the Ungraded price — a $17,956 difference per card.
Grade 9 sells for 20.8× (+1980%) the Ungraded price — a $871 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Billy Williams #580 1966 Topps Baseball, the jump from Ungraded to PSA 10 is worth $17,956 (409.09×) — 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).