Ungraded vs PSA 10 Bob Gibson #450 1971 Topps Baseball: price difference
Bob Gibson #450 1971 Topps Baseball value — Ungraded $9 vs PSA 10 $6283. PSA 10 sells for 698.11× Ungraded (+69711%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 698.11× (+69711%) the Ungraded price — a $6,274 difference per card.
Grade 9 sells for 581.78× (+58078%) the Ungraded price — a $5,227 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Bob Gibson #450 1971 Topps Baseball, the jump from Ungraded to PSA 10 is worth $6,274 (698.11×) — 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).