![William Harridge [Gray Back] #1 1956 Topps Baseball](/api/images/junkpal-products/sports/william-harridge-gray-back-1-baseball-cards-1956-topps-sport/cover.webp)
Ungraded vs PSA 10 William Harridge [Gray Back] #1 1956 Topps Baseball: price difference
William Harridge [Gray Back] #1 1956 Topps Baseball value — Ungraded $13 vs PSA 10 $18000. PSA 10 sells for 1,384.62× Ungraded (+138362%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 1,384.62× (+138362%) the Ungraded price — a $17,987 difference per card.
Grade 9 sells for 1,153.85× (+115285%) the Ungraded price — a $14,987 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On William Harridge [Gray Back] #1 1956 Topps Baseball, the jump from Ungraded to PSA 10 is worth $17,987 (1,384.62×) — 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).