Ungraded vs MS66 2017 S [PROOF] American Silver Eagle: price difference
2017 S [PROOF] American Silver Eagle value — Ungraded $299 vs MS66 $150. Ungraded sells for 1.99× MS66 (+99%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs MS66
$150→$299
Ungraded sells for 1.99× (+99%) the MS66 price — a $149 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 2017 S [PROOF] American Silver Eagle, the jump from MS66 to Ungraded is worth $149 (1.99×) — 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).