Ungraded vs MS66 1856 O Seated Liberty Quarter: price difference
1856 O Seated Liberty Quarter value — Ungraded $50 vs MS66 $11206. MS66 sells for 224.12× Ungraded (+22312%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
MS66 sells for 224.12× (+22312%) the Ungraded price — a $11,156 difference per coin.
MS62 sells for 18.1× (+1710%) the Ungraded price — a $855 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1856 O Seated Liberty Quarter, the jump from Ungraded to MS66 is worth $11,156 (224.12×) — 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).