Ungraded vs MS66 2006 W [PROOF] $100 American Platinum Eagle: price difference
2006 W [PROOF] $100 American Platinum Eagle value — Ungraded $1800 vs MS66 $2321. MS66 sells for 1.29× Ungraded (+29%). Prices updated August 2026.
→ Steady
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs MS66
$1800→$2321
MS66 sells for 1.29× (+29%) the Ungraded price — a $521 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 2006 W [PROOF] $100 American Platinum Eagle, the jump from Ungraded to MS66 is worth $521 (1.29×) — 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).