Ungraded vs PSA 10 Duffy Dyer #692 1970 Topps Baseball: price difference
Duffy Dyer #692 1970 Topps Baseball value — Ungraded $5 vs PSA 10 $693. PSA 10 sells for 138.6× Ungraded (+13760%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 138.6× (+13760%) the Ungraded price — a $688 difference per card.
Grade 9 sells for 20.4× (+1940%) the Ungraded price — a $97 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Duffy Dyer #692 1970 Topps Baseball, the jump from Ungraded to PSA 10 is worth $688 (138.6×) — 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).