Tāufaʻāhau Tupou IV Tāufaʻāhau Tupou IV Tāufaʻāhau Tupou IV (4 July 1918 – 10 September 2006), son of Queen Sālote Tupou III and her consort Prince Viliami Tungī Mailefihi, was the king of Tonga from the death of his mother in 1965 until his own death in 2006. Immediately prior to his death, he was the fourth longest-reigning living monarch in the world after Kings Bhumibol Adulyadej of Thailand, Abdul Halim of Kedah of Malaysia and Queen Elizabeth II of the United Kingdom. He was married to Queen Halaevalu Mataʻaho ʻAhomeʻe (1926-2017), and the couple had four children: The King's full baptismal name
Tongan paʻanga same approximate size as earlier dated coins. In 2011, commercial demand for 20 and 50 seniti prompted these denominations to be issued featuring the effigy of Tupou IV posthumous, who had died in 2006. A new obverse design for George Tupou V had not yet been made or selected at this time, possibly due to increased health concerns regarding the latter monarch, who died in March 2012. For a brief period, some of the higher denomination coinage from the 1967-1968 series was "countermarked" with commemoration stamps that were added to the coin after being struck. The most distinct of these