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, in the center: denomination and the Garuda, a figure from both Bhuddist and Hindu mythology, below - the year of minting (BE2520=AD1977).