Ungraded vs MS66 1918 S Standing Liberty Quarter: price difference
1918 S Standing Liberty Quarter value — Ungraded $67 vs MS66 $16381. MS66 sells for 244.49× Ungraded (+24349%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
MS66 sells for 244.49× (+24349%) the Ungraded price — a $16,314 difference per coin.
MS66 sells for 40.55× (+3955%) the MS62 price — a $15,977 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1918 S Standing Liberty Quarter, the jump from Ungraded to MS66 is worth $16,314 (244.49×) — 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).