This is a 1991 proof coin set issued by the U.S. Mint to commemorate the 50th anniversary of Mount Rushmore National Memorial. The set includes a 1 dollar silver coin (90% silver) and a half dollar (copper-nickel alloy), both with a beautiful mirror-like Proof finish. It is a genuine product with a dedicated case and certificate. The coins are in excellent condition. There are slight age-related stains on the fabric inside the case and some rust-like stains on the edges of the case, but overall, the condition is very good. [Set Contents] ・Left: 1 dollar silver coin (90% Silver) ・Right: 50-cent clad coin (Copper-Nickel) ・Issued by: San Francisco Mint, 1991 ・Condition: Proof (mirror finish) ・Included: Original case and certificate This commemorative set features a dignified design and beautiful luster. It is recommended for collections and interior decoration. *Please note that there may be slight age-related changes due to long-term storage. *This product is a commemorative coin for collection purposes and cannot be used as currency. *No returns or exchanges. Thank you very much for viewing.