Ungraded vs MS66 1891 O Morgan Dollar: price difference
1891 O Morgan Dollar value — Ungraded $53 vs MS66 $7438. MS66 sells for 140.34× Ungraded (+13934%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
MS66 sells for 140.34× (+13934%) the Ungraded price — a $7,385 difference per coin.
MS66 sells for 22.89× (+2189%) the MS62 price — a $7,113 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1891 O Morgan Dollar, the jump from Ungraded to MS66 is worth $7,385 (140.34×) — 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).