Ungraded vs PSA 10 Dave Roberts #309 1974 Topps Baseball: price difference
Dave Roberts #309 1974 Topps Baseball value — Ungraded $4 vs PSA 10 $433. PSA 10 sells for 108.25× Ungraded (+10725%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 108.25× (+10725%) the Ungraded price — a $429 difference per card.
PSA 10 sells for 13.12× (+1212%) the Grade 9 price — a $400 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Dave Roberts #309 1974 Topps Baseball, the jump from Ungraded to PSA 10 is worth $429 (108.25×) — 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).