Ungraded vs MS66 1855 O Liberty Head Half Eagle: price difference
1855 O Liberty Head Half Eagle value — Ungraded $1500 vs MS66 $346856. MS66 sells for 231.24× Ungraded (+23024%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
MS66 sells for 231.24× (+23024%) the Ungraded price — a $345,356 difference per coin.
MS62 sells for 18.69× (+1769%) the Ungraded price — a $26,531 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1855 O Liberty Head Half Eagle, the jump from Ungraded to MS66 is worth $345,356 (231.24×) — 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).