On the obverse side a portrait of Her Majesty the Queen of Great Britain work Ian Rank-Broadley (Ian Rank-Broadley FRBS). Around it is the legend: «ELIZABETH II», «COOK ISLANDS», «2016» and the appropriate denomination coin "20 DOLLARS".
The reverse of the coin depicts an identical portrait of the Queen, and that on the obverse. On the circumference passes stylized decoration of flowers made in the form of a wreath, which "interwoven" the name of the coin - «HAPPY 90th BIRTHDAY».
