Ungraded vs MS66 1971 S [PROOF] Washington Quarter: price difference
1971 S [PROOF] Washington Quarter value — Ungraded $3 vs MS66 $61. MS66 sells for 20.33× Ungraded (+1933%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
MS66 sells for 20.33× (+1933%) the Ungraded price — a $58 difference per coin.
MS66 sells for 6.1× (+510%) the MS62 price — a $51 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1971 S [PROOF] Washington Quarter, the jump from Ungraded to MS66 is worth $58 (20.33×) — 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).