The Hex StackVault Gold 20 Brown is a premium storage solution for gold and silver bullion bars, designed to securely hold up to 20 assay cards. Made by the reputable brand StackVault in the United States, this storage case provides a convenient and organized way to store and protect your valuable gold investments. With its sturdy construction and sleek design, the Hex StackVault Gold 20 is the perfect choice for collectors and investors looking to securely store their gold bullion bars. fits all standard assays from marjor brands PAMP Perth Mint The Royal Mint any assay with similar dimensions to a credit card