ELIZABETH II D G REG FID DEF 10 POUNDS 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
TENTH OUNCE FINE GOLD BRITANNIA around Britannia driving a chariot which is drawn by two horses.
Reference
United Kingdom. 10 Pounds (Gold) 2009, The Royal Mint. CoCo GB-2009-0014.