Reverse: the reverse of the coin depicts "Royal Arms" and a shield which is symbolizing the nations of the United Kingdom. "Royal armament" is a complete symbol of authority and identity. The ''Royal Arms'' quartered shield depicts three passant guardant lions of England featured in the first and fourth quadrants, and in the second, the rampant lion and double tressure flory-counterflory represents Scotland. The third features a harp for Ireland. The shield is supported on one side by the crowned English lion and the other by the Scottish unicorn, and has a Garter circlet surrounding it, inscribed with "HONI SOIT QUI MAL Y PENSE" (shame on he who thinks evil on it). On the top of the coin we can see year of issue and on the bottom coin purity and weight “1 OZ FINE GOLD 9999”.
Obverse: Queen Elizabeth II is depicted on the coin, with the words "ELIZABETH II D G REG F D" and the coin denomination "100 POUNDS". Below the queen's image is the coin designer initials "JC" (Jody Clark).
About the coin: The ''Royal arms'' is still used today as a symbol of authority and identification. It is made from 0.9999 thin, pure gold. The designer of this coin is Timothy Noad. This coin is internationally recognized and is especially popular, loved and appreciated by investors and collectors around the world.