Reverse In the upper part, along the edge of the coin, the text: "FAKALAHI ME’AKAI", which translates from the local Tongan language as: "PRODUCE MORE FOOD", below - in English: " 50 PAANGA". In the central part - an image of 6 fish arranged in a circle, each facing the tail of the previous one.
Obverse In the upper part, along the edge of the coin, the abbreviation "FAO", denoting: Food and Agriculture Organization of the United Nations (FAO), below - the name of the country Tonga in English and the year of issue: "TONGA 1974". In the central part - a portrait of King of Tonga Taufa'ahau Tupou IV in military uniform, facing front.