The US Navy CPO challenge coin, known as “The Shiny 8, ” is a highly sought-after collectible item that represents the highest level of achievement within the US Navy. This ultra rare coin holds significant value to collectors due to its originality and association with military excellence. With a theme focused on militaria, this challenge coin is a unique piece that pays tribute to the hard work and dedication of the US Navy CPOs. The elusive Shiny 8!!! This is your chance to get it!!