Obverse: the coin depicts the Queen Elizabeth II of the younger age and with crown, around are minted words "ELIZABETH II DEI GRATIA REGINA F: D:".
Reverse: the reverse depicts the classic St. Jorge on the horse, who defeats the Dragon.
About the coin: the British half Sovereign Coin is one of the most popular golden coins of the British Royal Mint. The coin of this design has been regularly minted since 1817 with every British Sovereign.