![Mel Parnell [Red Back] #30 1952 Topps Baseball](/api/images/junkpal-products/sports/mel-parnell-red-back-30-baseball-cards-1952-topps-sport/cover.webp)
Ungraded vs PSA 10 Mel Parnell [Red Back] #30 1952 Topps Baseball: price difference
Mel Parnell [Red Back] #30 1952 Topps Baseball value — Ungraded $10 vs PSA 10 $2165. PSA 10 sells for 216.5× Ungraded (+21550%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 216.5× (+21550%) the Ungraded price — a $2,155 difference per card.
Grade 9 sells for 32.9× (+3190%) the Ungraded price — a $319 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mel Parnell [Red Back] #30 1952 Topps Baseball, the jump from Ungraded to PSA 10 is worth $2,155 (216.5×) — 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).