The 1991 United States PrestigeProof Set is a special coin set issued by the United States Mint. Here's someinformation about it:

Overview:

• The 1991 Prestige Proof Set was part of the United States Mint's Prestige Proof Sets series, which began in 1983 and ended in 1997.
• These sets were highly sought after by collectors due to their inclusion of commemorative coins alongside the regular proof coins.

Contents:

• The 1991 Prestige Proof Set includes:

·        Regular Proof Coins: This set typically includesproof versions of the Lincoln Cent, Jefferson Nickel, Roosevelt Dime,Washington Quarter, and Kennedy Half Dollar.

·        Commemorative Coins: The highlight of thePrestige sets is the inclusion of one or more commemorative coins. In the caseof the 1991 set, it likely includes the Mount Rushmore Anniversary SilverDollar.

·        Certificate of Authenticity: Each set isaccompanied by a certificate of authenticity from the United States Mint,verifying the set's contents and quality.

Mount Rushmore AnniversarySilver Dollar:

• The Mount Rushmore Anniversary Silver Dollar was issued in 1991 to commemorate the 50th anniversary of the Mount Rushmore National Memorial in South Dakota.
• The coin features a depiction of Mount Rushmore on the obverse and a design inspired by the Presidential Seal on the reverse.
• It was minted in both uncirculated and proof finishes, with the proof version included in the 1991 Prestige Proof Set.

Packaging:

• The coins in the 1991 Prestige Proof Set are typically housed in a special display case or folder, along with the certificate of authenticity.
• The packaging is designed to protect the coins and provide an attractive presentation for collectors.

Collector's Value:

• The 1991 Prestige Proof Set is popular among collectors due to its inclusion of the Mount Rushmore Anniversary Silver Dollar.
• Sets in pristine condition with original packaging and documentation tend to command higher prices on the secondary market.

Overall, the 1991 United StatesPrestige Proof Set is a prized addition to any coin collection, offering aunique combination of regular proof coins and commemorative coins, includingthe Mount Rushmore Anniversary Silver Dollar.