Ungraded vs MS66 1888 O Morgan Dollar: price difference
1888 O Morgan Dollar value — Ungraded $54 vs MS66 $1328. MS66 sells for 24.59× Ungraded (+2359%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
MS66 sells for 24.59× (+2359%) the Ungraded price — a $1,274 difference per coin.
MS66 sells for 11.55× (+1055%) the MS62 price — a $1,213 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1888 O Morgan Dollar, the jump from Ungraded to MS66 is worth $1,274 (24.59×) — 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).