Obverse: The obverse of the coin features a portrait of Queen Elizabeth II. Next to it is the inscription of her name and title ELIZABETH II, the country of origin COOK ISLANDS, and the year of issue 1991.
Reverse: The reverse of the coin depicts otters. Next to them is the inscription ENDANGERED WILDLIFE. At the bottom is the denomination of the coin, 50 DOLLARS.
About the coin: This 50-dollar silver coin is part of the "Endangered Wildlife" series. The goal of this series is to spread awareness about endangered species and help conserve these animals.