Ungraded vs MS66 1888 O [DOUBLE DIE] Morgan Dollar: price difference
1888 O [DOUBLE DIE] Morgan Dollar value — Ungraded $133 vs MS66 $22068. MS66 sells for 165.92× Ungraded (+16492%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
MS66 sells for 165.92× (+16492%) the Ungraded price — a $21,935 difference per coin.
MS62 sells for 13.06× (+1206%) the Ungraded price — a $1,604 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1888 O [DOUBLE DIE] Morgan Dollar, the jump from Ungraded to MS66 is worth $21,935 (165.92×) — 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).