Ungraded vs MS66 1987 S [PROOF] American Silver Eagle: price difference
1987 S [PROOF] American Silver Eagle value — Ungraded $92 vs MS66 $314. MS66 sells for 3.41× Ungraded (+241%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
MS66 sells for 3.41× (+241%) the Ungraded price — a $222 difference per coin.
MS66 sells for 15.7× (+1470%) the MS62 price — a $294 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1987 S [PROOF] American Silver Eagle, the jump from Ungraded to MS66 is worth $222 (3.41×) — 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).