50 Baht. Polymer Note. Tarrin Nimmanahaeminda (Larger sig),and Chatu Mongol Sonakul. This combination used May 1998 to May 2001 King Bhumiphol Adulyadja (Rama IX) in uniform of the supreme commander Thai armed forces Monument ofKing Phra Chom Klao Chaoyuhua (Mongut) Rama IV seated at table with globe and telescope in background along with temple. Info thanks to De-Orc!