Ungraded vs MS66 2004 W [PROOF] $100 American Platinum Eagle: price difference
2004 W [PROOF] $100 American Platinum Eagle value — Ungraded $2889 vs MS66 $2205. Ungraded sells for 1.31× MS66 (+31%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs MS66
$2205→$2889
Ungraded sells for 1.31× (+31%) the MS66 price — a $684 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 2004 W [PROOF] $100 American Platinum Eagle, the jump from MS66 to Ungraded is worth $684 (1.31×) — 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).