Ungraded vs MS66 1841 O Seated Liberty Quarter: price difference
1841 O Seated Liberty Quarter value — Ungraded $89 vs MS66 $22682. MS66 sells for 254.85× Ungraded (+25385%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
MS66 sells for 254.85× (+25385%) the Ungraded price — a $22,593 difference per coin.
MS66 sells for 16.27× (+1527%) the MS62 price — a $21,288 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1841 O Seated Liberty Quarter, the jump from Ungraded to MS66 is worth $22,593 (254.85×) — 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).