Ungraded vs PSA 10 Bert Blyleven #30 1975 Topps Baseball: price difference
Bert Blyleven #30 1975 Topps Baseball value — Ungraded $2 vs PSA 10 $577. PSA 10 sells for 288.5× Ungraded (+28750%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 288.5× (+28750%) the Ungraded price — a $575 difference per card.
Grade 9 sells for 240.5× (+23950%) the Ungraded price — a $479 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Bert Blyleven #30 1975 Topps Baseball, the jump from Ungraded to PSA 10 is worth $575 (288.5×) — 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).