This is a fantastic set of 25 commemorative half dollars struck in 1982 to celebrate the 250th anniversary of George Washington's presidency. Each coin is made of 90% silver and has a weight of 1265.7 grams. The coins are uncirculated and come with a certification that they are uncertified. The set includes proof coins with a fineness of 0.9 and features a commemorative design. The coins were minted in San Francisco and have a denomination of 50C. The set is a lot and includes 25 coins. This is a great addition to any coin collection and a wonderful way to celebrate the history of the United States.