Ungraded vs PSA 10 Sonny Siebert #197 1966 Topps Baseball: price difference
Sonny Siebert #197 1966 Topps Baseball value — Ungraded $2 vs PSA 10 $4920. PSA 10 sells for 2,460× Ungraded (+245900%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 2,460× (+245900%) the Ungraded price — a $4,918 difference per card.
PSA 10 sells for 53.48× (+5248%) the Grade 9 price — a $4,828 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Sonny Siebert #197 1966 Topps Baseball, the jump from Ungraded to PSA 10 is worth $4,918 (2,460×) — 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).