Meritorious Service Medal MSM EIIR Full Size
Branch of Service: Royal Navy, Royal Marines, Army, RAF
Ribbon: Crimson with three white stripes. All owners of previous ribbon versions were directed to change the ribbon to the current version.
Original Metal: Silver
Description: (Obverse) effigy of the reigning monarch; (reverse) imperial crown surmounting a wreath containing the words FOR MERITORIOUS SERVICE. Originally, the medal was named in large seriffed capitals round the rim.