The product is a lot of 3.5 US Navy Chiefs CPO Pride Challenge Coins featuring an anchor design inspired by Mortal Kombat. These challenge coins are original items from the current militaria period (2001-now) and are specifically related to the US Navy. As military collectibles, they hold significance for those interested in militaria and specifically in items related to Chief Petty Officers in the US Navy. The design of these coins combines elements of naval tradition with a modern pop culture reference, making them unique pieces for collectors.