Ungraded vs PSA 10 Lamar Johnson #453 1983 Topps Baseball: price difference
Lamar Johnson #453 1983 Topps Baseball value — Ungraded $1 vs PSA 10 $810. PSA 10 sells for 810× Ungraded (+80900%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 810× (+80900%) the Ungraded price — a $809 difference per card.
PSA 10 sells for 135× (+13400%) the Grade 9 price — a $804 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Lamar Johnson #453 1983 Topps Baseball, the jump from Ungraded to PSA 10 is worth $809 (810×) — 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).