Ungraded vs PSA 10 Tommy John #520 1971 Topps Baseball: price difference
Tommy John #520 1971 Topps Baseball value — Ungraded $3 vs PSA 10 $861. PSA 10 sells for 287× Ungraded (+28600%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 287× (+28600%) the Ungraded price — a $858 difference per card.
Grade 9 sells for 239× (+23800%) the Ungraded price — a $714 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Tommy John #520 1971 Topps Baseball, the jump from Ungraded to PSA 10 is worth $858 (287×) — 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).