Ungraded vs PSA 10 Brooks Robinson #307 1958 Topps Baseball: price difference
Brooks Robinson #307 1958 Topps Baseball value — Ungraded $37 vs PSA 10 $8516. PSA 10 sells for 230.16× Ungraded (+22916%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 230.16× (+22916%) the Ungraded price — a $8,479 difference per card.
Grade 9 sells for 34.68× (+3368%) the Ungraded price — a $1,246 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Brooks Robinson #307 1958 Topps Baseball, the jump from Ungraded to PSA 10 is worth $8,479 (230.16×) — 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).