Ungraded vs PSA 10 John Kennedy #407 1966 Topps Baseball: price difference
John Kennedy #407 1966 Topps Baseball value — Ungraded $2 vs PSA 10 $690. PSA 10 sells for 345× Ungraded (+34400%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 345× (+34400%) the Ungraded price — a $688 difference per card.
Grade 9 sells for 36× (+3500%) the Ungraded price — a $70 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On John Kennedy #407 1966 Topps Baseball, the jump from Ungraded to PSA 10 is worth $688 (345×) — 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).