Formerly called The Most Noble Order of the Crown of Siam (เครื่องราชอิสริยาภรณ์อันมีเกียรติยศยิ่งมงกุฎไทย; RTGS: Khrueang Ratcha-itsariyaphon An Mi Kiattiyot Ying Mongkut Thai / Mongkut Siam). Instituted in 1869. Second Period (1873-1941). In silver gilt with red and green enamels, both the award and the three leaf suspension hollow, measuring 48.3 mm (w) x 75.5 mm (h) inclusive of its three leaf suspension, chipping and loss evident in the green enamels on the tip of the star point at 1 o'clock, missing its ring and loop, original full-length ribbon, better than very fine.
Footnote: The Most Noble Order of the Crown of Thailand was instituted on December 29, 1869 by King Mongkut Rama IV of the Kingdom of Siam (now Thailand) for Thais, the royal family, governmental employees, and foreign dignitaries for their outstanding services to the Kingdom of Thailand. During this period, the Order was awarded in seven classes: I Class Grand Cross, II Class Grand Officer, III Class Commander, IV Class Officer, V Class Knight, VI Class Gold Grade Medal, and VII Class Silver Grade Medal.