Ungraded vs PSA 10 Dave May #81 1970 Topps Baseball: price difference
Dave May #81 1970 Topps Baseball value — Ungraded $2 vs PSA 10 $224. PSA 10 sells for 112× Ungraded (+11100%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 112× (+11100%) the Ungraded price — a $222 difference per card.
Grade 9 sells for 19.5× (+1850%) the Ungraded price — a $37 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Dave May #81 1970 Topps Baseball, the jump from Ungraded to PSA 10 is worth $222 (112×) — 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).