Ungraded vs MS62 1888 [PROOF] Seated Liberty Quarter: price difference
1888 [PROOF] Seated Liberty Quarter value — Ungraded $1406 vs MS62 $2520. MS62 sells for 1.79× Ungraded (+79%). Prices updated August 2026.
→ Steady
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs MS62
$1406→$2520
MS62 sells for 1.79× (+79%) the Ungraded price — a $1,114 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1888 [PROOF] Seated Liberty Quarter, the jump from Ungraded to MS62 is worth $1,114 (1.79×) — 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).