![Harry Perkowski [Gray Back] #142 1952 Topps Baseball](/api/images/junkpal-products/sports/harry-perkowski-gray-back-142-baseball-cards-1952-topps-sport/cover.webp)
Ungraded vs PSA 10 Harry Perkowski [Gray Back] #142 1952 Topps Baseball: price difference
Harry Perkowski [Gray Back] #142 1952 Topps Baseball value — Ungraded $8 vs PSA 10 $1932. PSA 10 sells for 241.5× Ungraded (+24050%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 241.5× (+24050%) the Ungraded price — a $1,924 difference per card.
Grade 9 sells for 36.88× (+3588%) the Ungraded price — a $287 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Harry Perkowski [Gray Back] #142 1952 Topps Baseball, the jump from Ungraded to PSA 10 is worth $1,924 (241.5×) — 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).