Ungraded vs PSA 10 Tom Seaver #450 1978 Topps Baseball: price difference
Tom Seaver #450 1978 Topps Baseball value — Ungraded $3 vs PSA 10 $345. PSA 10 sells for 115× Ungraded (+11400%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 115× (+11400%) the Ungraded price — a $342 difference per card.
Grade 9 sells for 15.33× (+1433%) the Ungraded price — a $43 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Tom Seaver #450 1978 Topps Baseball, the jump from Ungraded to PSA 10 is worth $342 (115×) — 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).