Moht Amatyakun, the first supervisor of the Mint, in charge of making money at Rohng Krasahp Sitthikahn (fig.), the first ever building used by the Royal Thai Mint, from 1860 to 1875, and where he successfully completed the unfinished installation of the very first steam-powered minting machine in the Kingdom after the  British engineer responsible for its installation had fallen ill and died. For his contribution he was in 1868 promoted to the position of Phraya Krasahp Kitkoson by King Rama V.