ARC. Tupou Taufaʻahau, also known as Tāufaʻāhau Tupou IV, was the fourth monarch of the Kingdom of Tonga, reigning from 1965 until his death in 2006. During his long reign of over forty years, he was the world's fifth longest-reigning living monarch, King After Bhumibol Adulyadej (Thailand) and Saqr bin Mohammed Al Qasimi (Ras al-Khaimah). ARC. Tupou Taufaʻahau was born in 1918 in Nukuʻalofa, Tonga. He was III. He is the eldest son of Queen Tupou Salote and Prince Uiliame Tungi. He was the Prime Minister of Tonga from 1949 to 1965, then the ruler of the Kingdom of Tonga from 16 December 1965 until his death. He was crowned king in Nukuʻalofa on July 2, 1967. IV. Tupou Taufaʻahau's marriage produced four children, including György V. Tupou, who inherited the throne after his father's death. It is interesting to mention that in 1976, according to the Guinness Book of Records, he was the world's heaviest monarch, with a body weight of 209.5 kilograms. In terms of Hungary, it is interesting that the portrait of the king was painted by the Hungarian painter István Doma-Mikó, who was appointed his court painter in 1989.

ARC. Tupou Taufaʻahau, also known as Tāufaʻāhau Tupou IV, was King of Tonga from 1965 until his death in 2006. Various coins were minted during his reign. 2 paʻanga: IV on one side. With the portrait of King Tupou, the other side with the coat of arms of the Kingdom of Tonga. 5 seniti: One side shows the portrait of the king and the other with the coat of arms. 1 seniti: Also decorated with the portrait of the king and the coat of arms. 2 Seniti: Made of copper, also with the portrait of the king. FAO (Food and Agriculture Organization) commemorative coins: 1975-1979: with the portrait of Taufa'ahau Tupou IV, made of bronze. 1981-1996: Also with the portrait of Taufa'ahau Tupou IV, made of bronze. 2002-2005: Magnetic FAO commemorative coins made of copper.