Ungraded vs PSA 10 Twin Terrors #334 1967 Topps Baseball: price difference
Twin Terrors #334 1967 Topps Baseball value — Ungraded $4 vs PSA 10 $3499. PSA 10 sells for 874.75× Ungraded (+87375%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 874.75× (+87375%) the Ungraded price — a $3,495 difference per card.
Grade 9 sells for 48× (+4700%) the Ungraded price — a $188 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Twin Terrors #334 1967 Topps Baseball, the jump from Ungraded to PSA 10 is worth $3,495 (874.75×) — 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).