This 50 State Quarters United States Mint Proof Set from 1999 is a must-have for any coin collector. The set includes all 50 states, each with a unique design and denomination. The coins are in uncirculated condition and have a proof strike type, making them extra special. The set was minted in San Francisco and includes a certification from the U.S. Mint. The coins are from the United States and are part of the Coins & Paper Money category, specifically Coins: US and Proof Sets. This set is a great addition to any collection and a wonderful way to commemorate the unique history and culture of each state.