Ungraded vs PSA 10 Dave Roberts #558 1975 Topps Baseball: price difference
Dave Roberts #558 1975 Topps Baseball value — Ungraded $1 vs PSA 10 $33600. PSA 10 sells for 33,600× Ungraded (+3359900%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 33,600× (+3359900%) the Ungraded price — a $33,599 difference per card.
PSA 10 sells for 1,050× (+104900%) the Grade 9 price — a $33,568 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Dave Roberts #558 1975 Topps Baseball, the jump from Ungraded to PSA 10 is worth $33,599 (33,600×) — 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).