Mom Rajodaya (Mom Rajavongse Kratai Isarankura), a royal interpreter in Siamese diplomatic mission to the United Kingdom in 1857. This photo was taken by Mr. Francis Chit, a Siamese catholic photographer in 19th century, dated before Mom Rajodaya's death in 1867. Printed in the book named "Prachum Phongsawadan Phak Thi 45" in 1927.