Ungraded vs MS66 1966 Washington Quarter: price difference
1966 Washington Quarter value — Ungraded $3 vs MS66 $41. MS66 sells for 13.67× Ungraded (+1267%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs MS66
$3→$41
MS66 sells for 13.67× (+1267%) the Ungraded price — a $38 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1966 Washington Quarter, the jump from Ungraded to MS66 is worth $38 (13.67×) — 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).