1989 Britannia 1/10oz gold Proof coin with a denomination of £10. Obverse Designer: Raphael Maklouf's definitive coinage portrait of Queen Elizabeth II. Reverse: Philip Nathan's Britannia design shows the icon standing on a rock in the sea, a trident in her right hand, with her left hand holding an olive branch and resting on a shield. Also features the inscription 'BRITANNIA 1/10 OUNCE FINE GOLD' and the year. S.BGC1.