United States Marine Corps, Semper Fidelis, 2 Sided Bronze Challenge Coin (HMC 22300) 1 5/8 inch diameter, double sided, bronze challenge coin. A perfect tribute to every Marine! Meticulously detailed. Expertly crafted. Depicts UNITED STATES MARINE CORPS with Eagle, Globe, and Anchor (EGA) on front. Reads SEMPER FIDELIS, ONCE A MARINE, ALWAYS A MARINE on back.