ELIZABETH II DEI GRA REGINA FID DEF around the effigy of Elizabeth II facing right with a crown. On the lower end of the shoulder the initials of the engraver
Description reverse
Saint George on horseback and dressed in ancient armor slaying the dragon. In the section below the date and the initials of the engraver
Reference
United Kingdom. 1/2 Sovereign - Half Sovereign (Gold) 2013, The Royal Mint. CoCo GB-2013-0004.