This roll of 20 one-troy oz Sunshine Mint Walking Liberty rounds is a great addition to any silver collection. The rounds are made of 0.999 fine silver and weigh a total of 20 oz. The composition of the rounds is silver and the shape is round. The unit type is oz and the fineness is 0.999. The brand/mint is Sunshine Mint. These rounds are perfect for collectors or investors who want to add to their silver holdings.