Ungraded vs PSA 10 Mickey McDermott #318 1957 Topps Baseball: price difference
Mickey McDermott #318 1957 Topps Baseball value — Ungraded $7 vs PSA 10 $1384. PSA 10 sells for 197.71× Ungraded (+19671%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 197.71× (+19671%) the Ungraded price — a $1,377 difference per card.
Grade 9 sells for 30.43× (+2943%) the Ungraded price — a $206 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mickey McDermott #318 1957 Topps Baseball, the jump from Ungraded to PSA 10 is worth $1,377 (197.71×) — 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).