Ungraded vs PSA 10 Mound Aces #334 1958 Topps Baseball: price difference
Mound Aces #334 1958 Topps Baseball value — Ungraded $4 vs PSA 10 $3074. PSA 10 sells for 768.5× Ungraded (+76750%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 768.5× (+76750%) the Ungraded price — a $3,070 difference per card.
Grade 9 sells for 640.5× (+63950%) the Ungraded price — a $2,558 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mound Aces #334 1958 Topps Baseball, the jump from Ungraded to PSA 10 is worth $3,070 (768.5×) — 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).