Ungraded vs MS66 1843 O Seated Liberty Quarter: price difference
1843 O Seated Liberty Quarter value — Ungraded $138 vs MS66 $24780. MS66 sells for 179.57× Ungraded (+17857%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
MS66 sells for 179.57× (+17857%) the Ungraded price — a $24,642 difference per coin.
MS62 sells for 14.65× (+1365%) the Ungraded price — a $1,884 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1843 O Seated Liberty Quarter, the jump from Ungraded to MS66 is worth $24,642 (179.57×) — 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).