Anchors Aweigh, sail on to victory! And sink their bones to Davy Jones, hooray! The special die cut Shellback Hold Fast challenge coin is not for the Pollywogs, Shellbacks only! The Shellback Hold Fast 3D Challenge Coin is a Medals of America exclusive that is available now and ready to be shipped to your front door. Military Challenge Coins are one of the easiest ways to honor your service or someone else’s service and achievements. There is a whole culture around earning and collecting these coins. Has a shiny gold finish and measures 70 mm in diameter and 4 mm in thickness. This Navy coin displays two tridents crossing with the word “Shellback” on in the middle of the coin. The other side of the Shellback Hold Fast 3D coin is an image of a skeleton mermaid and an old compass drawing from a real treasure map. This challenge coin is a great way to show your respect for someone's service as a gift. Would be a great present for the holiday season, military holidays like Veterans Day, or any time of the year for any veteran.