1991 S [MOUNT RUSHMORE PROOF] Modern Commemorative — Coin Value
Modern CommemorativeWhat the 1991 S [MOUNT RUSHMORE PROOF] Modern Commemorative is worth — ungraded vs graded (MS62 / MS66).
1991 S [MOUNT RUSHMORE PROOF] Modern Commemorative value — Ungraded $56 · MS66 $93. Prices updated August 2026.
Live on eBay right now
Which version do you have?
For the cheapest way to own the 1991 S Modern Commemorative, buy the Mount Rushmore Half Dollar Proof at $15. The USO Anniversary Proof ($64) and Mount Rushmore Proof ($50) offer premium packaging and specific commemorative editions, which collectors value. If you prioritize owning the item affordably, stick to the Half Dollar. If you seek collectible prestige and presentation, the higher-priced proofs are the choice.
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Price data verified against · 1
Item details
- Series
- Modern Commemorative
- Year
- 1991
- Mint
- S
1991 S [MOUNT RUSHMORE PROOF] Modern Commemorative value
A raw (ungraded) 1991 S [MOUNT RUSHMORE PROOF] Modern Commemorative runs around $56, a certified MS62 about null, and a high-grade MS66 commands $93.
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
| Condition | Value | Based on |
|---|---|---|
| Ungraded | $56 | eBay sold comps |
| MS66 | $93 | eBay sold comps |
Frequently asked questions
- What is the current value of the ungraded 1991 S Modern Commemorative?
- The ungraded version of this 1991 S Modern Commemorative is currently valued at $62.
- How much does the MS66 graded version sell for?
- The MS66 graded version of this Modern Commemorative is selling for $114.
- Is the 1991 S a rare coin?
- This coin belongs to the Modern Commemorative series and is available in Mint (S) condition.