1991 S [PROOF] American Silver Eagle — Coin Value

American Silver Eagle

What the 1991 S [PROOF] American Silver Eagle is worth — ungraded vs graded (MS62 / MS66).

1991 S [PROOF] American Silver Eagle value — Ungraded $82 · MS66 $293. Prices updated July 2026.

Series · American Silver EagleMint · SYear · 1991
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Item details

Series
American Silver Eagle
Year
1991
Mint
S

1991 S [PROOF] American Silver Eagle value

A raw (ungraded) 1991 S [PROOF] American Silver Eagle runs around $82, a certified MS62 about null, and a high-grade MS66 commands $293.

What drives the price

Grade, mint mark, strike quality, and key dates drive coin value. Certified (slabbed) coins carry a premium over raw; low-mintage years and full-strike examples appreciate the most.

Price guide

What this actually trades for — sold values by condition vs. what sellers are asking today

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ConditionValueBased on
Ungraded$82eBay sold comps
MS66$293eBay sold comps

Frequently asked questions

What is the current value of an ungraded 1991 S American Silver Eagle?
An ungraded 1991 S American Silver Eagle is currently valued around $81.
How much more is an MS66 graded version worth?
The MS66 graded version of the 1991 S American Silver Eagle is valued at $329.
What series and mint mark is this silver eagle?
This is a 1991 American Silver Eagle minted at the S facility.

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