COX Engraved on Rectangle with Leather Cord
Sterling silver. Rectangle is 21mm x 8mm (just shy of 7/8" x 5/16") and 1mm thick. Cox, short for coxswain, is the boat steerer, race plan executer, motivating presence at the end of a sweep rowing boat. A spiral (a rowing puddle swirl) represents the O and crossed oars are the X.
It comes with a 2mm thick adjustable leather cord that can be 24 inches to 13 inches
Silver can darken when exposed to air and acid (oxygen and sweat) - clean it with baking soda either dry or a paste.