Specializing in 4 precious metals: Gold, Platinum, Palladium & Silver. American Certified Bullion can custom make your bar to your exact specifications any size, shape, weight and purity. In fact, we can even mark it with your custom words, logo and design. ACB stocks bars in 1 grain, 5 grain and 1 gram. Our bullion bars are all Pure 99.9 metals and are stamped with all of the legal markings to make them compliant for international and national sales. We are members of the JVC so we can legally offer a genuine Certificate of Authenticity for our products.