Ungraded vs PSA 10 James Lonborg #3 1973 Topps Baseball: price difference
James Lonborg #3 1973 Topps Baseball value — Ungraded $6 vs PSA 10 $207. PSA 10 sells for 34.5× Ungraded (+3350%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 34.5× (+3350%) the Ungraded price — a $201 difference per card.
PSA 10 sells for 9.41× (+841%) the Grade 9 price — a $185 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On James Lonborg #3 1973 Topps Baseball, the jump from Ungraded to PSA 10 is worth $201 (34.5×) — 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).