ELIZABETH II D G REG FID DEF 100 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
FINE GOLD BRITANNIA 999.9 1 oz FINE GOLD BRITANNIA around Britannia standing in front of an earth-shaped ball with a lion
Reference
United Kingdom. 100 Pounds (Gold) 2014, The Royal Mint. CoCo GB-2014-0014.