Ungraded vs PSA 10 Merrill Combs #18 1952 Topps Baseball: price difference
Merrill Combs #18 1952 Topps Baseball value — Ungraded $12 vs PSA 10 $3022. PSA 10 sells for 251.83× Ungraded (+25083%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 251.83× (+25083%) the Ungraded price — a $3,010 difference per card.
Grade 9 sells for 110× (+10900%) the Ungraded price — a $1,308 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Merrill Combs #18 1952 Topps Baseball, the jump from Ungraded to PSA 10 is worth $3,010 (251.83×) — 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).