Reverse In the central part - the numeral "5". Two palm branches are depicted to the left and right. Along the edge of the coin are inscriptions in English, at the top: "TONGA", at the bottom: "SENITI". Decorative elements in the form of circles are placed along the rim.
Obverse In the central part is a right-facing portrait of King of Tonga Taufa'ahau Tupou IV. In the upper part, along the edge of the coin, is his name in English: "TAUFA'AHAU TUPOU IV", below: "1974" - the year of mintage.