Ungraded vs MS66 1991 D [USO ANNIVERSARY] Modern Commemorative: price difference
1991 D [USO ANNIVERSARY] Modern Commemorative value — Ungraded $48 vs MS66 $950. MS66 sells for 19.79× Ungraded (+1879%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs MS66
$48→$950
MS66 sells for 19.79× (+1879%) the Ungraded price — a $902 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1991 D [USO ANNIVERSARY] Modern Commemorative, the jump from Ungraded to MS66 is worth $902 (19.79×) — 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).