Ungraded vs MS66 1964 [PROOF] Washington Quarter: price difference

1964 [PROOF] Washington Quarter value — Ungraded $18 vs MS66 $57. MS66 sells for 3.17× Ungraded (+217%). Prices updated July 2026.

GradeSold medianvs Ungraded
Ungraded$18eBay ↗
MS62$241.33× · +33%eBay ↗
MS66$573.17× · +217%eBay ↗

Medians of real sold listings per grade, updated July 2026 how we compute values.

Ungraded vs MS66
$18$57

MS66 sells for 3.17× (+217%) the Ungraded price — a $39 difference per coin.

MS62 vs MS66
$24$57

MS66 sells for 2.38× (+138%) the MS62 price — a $33 difference per coin.

Should you get this coin graded?

Grading runs about $30 per coin all-in. On 1964 [PROOF] Washington Quarter, the jump from Ungraded to MS66 is worth $39 (3.17×) — 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 →
See current eBay listingsSee sold 1964 [PROOF] Washington Quarter listings ↗Full 1964 [PROOF] Washington Quarter price guide →

Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).