Ungraded vs MS66 1988 D Washington Quarter: price difference
1988 D Washington Quarter value — Ungraded $3 vs MS66 $66. MS66 sells for 22× Ungraded (+2100%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Ungraded vs MS66
$3→$66
MS66 sells for 22× (+2100%) the Ungraded price — a $63 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1988 D Washington Quarter, the jump from Ungraded to MS66 is worth $63 (22×) — 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).