asThe United States Mint 2000 Proof Set 50 State QuartersOGP with cert is a collectible coin set featuring uncirculated copper coins struck in proof quality at the San Francisco Mint in the year 2000. This set includes 50 state quarters, each with a unique design representing a different state of the United States. It comes with a certification from the U.S. Mint, making it a desirable addition for coin collectors interested in U.S. coins and paper money.