Ungraded vs MS66 1940 [PROOF] Washington Quarter: price difference
1940 [PROOF] Washington Quarter value — Ungraded $46 vs MS66 $2028. MS66 sells for 44.09× Ungraded (+4309%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
MS66 sells for 44.09× (+4309%) the Ungraded price — a $1,982 difference per coin.
MS66 sells for 14.08× (+1308%) the MS62 price — a $1,884 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1940 [PROOF] Washington Quarter, the jump from Ungraded to MS66 is worth $1,982 (44.09×) — 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).