Ungraded vs PSA 10 Gary Kroll #548 1966 Topps Baseball: price difference
Gary Kroll #548 1966 Topps Baseball value — Ungraded $16 vs PSA 10 $298. PSA 10 sells for 18.63× Ungraded (+1763%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 18.63× (+1763%) the Ungraded price — a $282 difference per card.
Grade 9 sells for 8.75× (+775%) the Ungraded price — a $124 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Gary Kroll #548 1966 Topps Baseball, the jump from Ungraded to PSA 10 is worth $282 (18.63×) — 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).