Ungraded vs MS66 1861 S Seated Liberty Quarter: price difference
1861 S Seated Liberty Quarter value — Ungraded $517 vs MS66 $109478. MS66 sells for 211.76× Ungraded (+21076%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
MS66 sells for 211.76× (+21076%) the Ungraded price — a $108,961 difference per coin.
MS62 sells for 17.03× (+1603%) the Ungraded price — a $8,288 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1861 S Seated Liberty Quarter, the jump from Ungraded to MS66 is worth $108,961 (211.76×) — 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).