Ungraded vs MS66 1866 Seated Liberty Dollar: price difference
1866 Seated Liberty Dollar value — Ungraded $3128 vs MS66 $622128. MS66 sells for 198.89× Ungraded (+19789%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
MS66 sells for 198.89× (+19789%) the Ungraded price — a $619,000 difference per coin.
MS62 sells for 15.93× (+1493%) the Ungraded price — a $46,709 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1866 Seated Liberty Dollar, the jump from Ungraded to MS66 is worth $619,000 (198.89×) — 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).