Ungraded vs MS66 1998 W [PROOF] $25 American Gold Eagle: price difference

1998 W [PROOF] $25 American Gold Eagle value — Ungraded $2233 vs MS66 $2796. MS66 sells for 1.25× Ungraded (+25%). Prices updated August 2026.

Rising · +36%
GradeSold medianvs Ungraded
Ungraded$2233eBay ↗
MS66$27961.25× · +25%eBay ↗

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

Ungraded vs MS66
$2233$2796

MS66 sells for 1.25× (+25%) the Ungraded price — a $563 difference per coin.

Should you get this coin graded?

Grading runs about $30 per coin all-in. On 1998 W [PROOF] $25 American Gold Eagle, the jump from Ungraded to MS66 is worth $563 (1.25×) — 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 1998 W [PROOF] $25 American Gold Eagle listings ↗Full 1998 W [PROOF] $25 American Gold 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).