![Merrill Combs [Black Back] #18 1952 Topps Baseball](/api/images/junkpal-products/sports/merrill-combs-black-back-18-baseball-cards-1952-topps-sport/cover.webp)
Ungraded vs PSA 10 Merrill Combs [Black Back] #18 1952 Topps Baseball: price difference
Merrill Combs [Black Back] #18 1952 Topps Baseball value — Ungraded $9 vs PSA 10 $2302. PSA 10 sells for 255.78× Ungraded (+25478%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 255.78× (+25478%) the Ungraded price — a $2,293 difference per card.
Grade 9 sells for 38.89× (+3789%) the Ungraded price — a $341 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Merrill Combs [Black Back] #18 1952 Topps Baseball, the jump from Ungraded to PSA 10 is worth $2,293 (255.78×) — 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).