![Wally Post [Gray Back] #158 1956 Topps Baseball](/api/images/junkpal-products/sports/wally-post-gray-back-158-baseball-cards-1956-topps-sport/cover.webp)
Ungraded vs PSA 10 Wally Post [Gray Back] #158 1956 Topps Baseball: price difference
Wally Post [Gray Back] #158 1956 Topps Baseball value — Ungraded $4 vs PSA 10 $9455. PSA 10 sells for 2,363.75× Ungraded (+236275%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 2,363.75× (+236275%) the Ungraded price — a $9,451 difference per card.
PSA 10 sells for 51.39× (+5039%) the Grade 9 price — a $9,271 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Wally Post [Gray Back] #158 1956 Topps Baseball, the jump from Ungraded to PSA 10 is worth $9,451 (2,363.75×) — 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).