Rama IX Phra Maha Bhumibol Adulyadej (born 1927), officially styled 'the Great', is the current King of Thailand. Having reigned since June 9, 1946, Bhumibol is the world's longest-serving current Head of State and the longest-serving monarch in Thai history.

The inscriptions on the upper arch: title of state in Tai, the year of minting (BE2517=AD1974), in the center: the Garuda, a figure from both Bhuddist and Hindu mythology, below - denomination.