Ungraded vs MS66 1939 S [DOUBLE DIE FS-101] Washington Quarter: price difference
1939 S [DOUBLE DIE FS-101] Washington Quarter value — Ungraded $41 vs MS66 $649. MS66 sells for 15.83× Ungraded (+1483%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Ungraded vs MS66
$41→$649
MS66 sells for 15.83× (+1483%) the Ungraded price — a $608 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1939 S [DOUBLE DIE FS-101] Washington Quarter, the jump from Ungraded to MS66 is worth $608 (15.83×) — 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).