This item will be authenticated by Poshmark. A unique gift investment idea for a young person. Set of 12 - 1 troy ounce fine silver building blocks. These are new bars made by Monarch Precious Metals which come packaged in a slide top metal storage tin. These little blocks of silver were made for stacking. This set is referred to as "The Starter Kit". The top of each individual building block is stamped with the words "1 Troy Ounce, .999 Fine Silver." The back features a repeating pattern of the Monarch crown logo. Length: 3.75 inches Width: 2.50 inches Thickness: 0.50 inches Weight (Troy Oz): 12 Purity: .999+ I am a trusted seller and I ship fast.