Ungraded vs PSA 10 Bird Bombers #521 1967 Topps Baseball: price difference
Bird Bombers #521 1967 Topps Baseball value — Ungraded $5 vs PSA 10 $733. PSA 10 sells for 146.6× Ungraded (+14560%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 146.6× (+14560%) the Ungraded price — a $728 difference per card.
Grade 9 sells for 36.4× (+3540%) the Ungraded price — a $177 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Bird Bombers #521 1967 Topps Baseball, the jump from Ungraded to PSA 10 is worth $728 (146.6×) — 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).