This Valcambi Suisse CombiBar Sheet is a great way to invest in fine silver bars. The 100g bars are made of. 999 pure silver, and come with an assay to guarantee their purity. The bars are shaped as sheets, making them easy to stack and store. The Composition of the bars is pure silver, and they are made in Switzerland by the renowned brand Valcambi. These bars are a great addition to any bullion collection, and are a must-have for anyone interested in investing in precious metals. The Total Precious Metal Content of the bars is 100 grams, making them a valuable and worthwhile investment.