Ungraded vs PSA 10 Ron Santo #290 1966 Topps Baseball: price difference
Ron Santo #290 1966 Topps Baseball value — Ungraded $10 vs PSA 10 $16200. PSA 10 sells for 1,620× Ungraded (+161900%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 1,620× (+161900%) the Ungraded price — a $16,190 difference per card.
Grade 9 sells for 69.7× (+6870%) the Ungraded price — a $687 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Ron Santo #290 1966 Topps Baseball, the jump from Ungraded to PSA 10 is worth $16,190 (1,620×) — 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).