Ungraded vs PSA 10 Bob Gibson #150 1975 Topps Baseball: price difference
Bob Gibson #150 1975 Topps Baseball value — Ungraded $4 vs PSA 10 $36600. PSA 10 sells for 9,150× Ungraded (+914900%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 9,150× (+914900%) the Ungraded price — a $36,596 difference per card.
Grade 9 sells for 226.25× (+22525%) the Ungraded price — a $901 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Bob Gibson #150 1975 Topps Baseball, the jump from Ungraded to PSA 10 is worth $36,596 (9,150×) — 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).