正面: The effigy of HM Queen Elizabeth II, designer IRB (Ian Rank-Broadley). Ruler and country, left/right ELIZABETH II COOK ISLANDS, date at bottom 2018. 背面: An Unicorn. Face value in text at left FOUR DOLLARS (four). Mintmark, gold purity and weight at right 🏰 999·9 GOLD † 1/30th OZ, face value at bottom $4
