Ungraded vs PSA 10 Dave Johnson #550 1973 Topps Baseball: price difference
Dave Johnson #550 1973 Topps Baseball value — Ungraded $3 vs PSA 10 $398. PSA 10 sells for 132.67× Ungraded (+13167%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 132.67× (+13167%) the Ungraded price — a $395 difference per card.
Grade 9 sells for 110.33× (+10933%) the Ungraded price — a $328 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Dave Johnson #550 1973 Topps Baseball, the jump from Ungraded to PSA 10 is worth $395 (132.67×) — 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).