Ungraded vs MS66 1955 [PROOF] Washington Quarter: price difference
1955 [PROOF] Washington Quarter value — Ungraded $24 vs MS66 $142. MS66 sells for 5.92× Ungraded (+492%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
MS66 sells for 5.92× (+492%) the Ungraded price — a $118 difference per coin.
MS66 sells for 4.58× (+358%) the MS62 price — a $111 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1955 [PROOF] Washington Quarter, the jump from Ungraded to MS66 is worth $118 (5.92×) — 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).