Ungraded vs MS66 2018 W [LIFE PROOF] $100 American Platinum Eagle: price difference

2018 W [LIFE PROOF] $100 American Platinum Eagle value — Ungraded $2890 vs MS66 $2199. Ungraded sells for 1.31× MS66 (+31%). Prices updated August 2026.

Rising · +112%
GradeSold medianvs MS66
Ungraded$28901.31× · +31%eBay ↗
MS66$2199eBay ↗

Medians of real sold listings per grade, updated August 2026 how we compute values.

Ungraded vs MS66
$2199$2890

Ungraded sells for 1.31× (+31%) the MS66 price — a $691 difference per coin.

Should you get this coin graded?

Grading runs about $30 per coin all-in. On 2018 W [LIFE PROOF] $100 American Platinum Eagle, the jump from MS66 to Ungraded is worth $691 (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 →
See current eBay listingsSee sold 2018 W [LIFE PROOF] $100 American Platinum Eagle listings ↗Full 2018 W [LIFE PROOF] $100 American Platinum Eagle price guide →

Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).

2018 W [LIFE PROOF] $100 American Platinum Eagle: Ungraded vs MS66 Price Difference