King Mongkut's Royal Cypher Medal

THA030 เหรียญรัตนาภรณ์ รัชกาลที่ 4

Medal was instituted in 1869.
Medal is awarded to individuals who have distinguished themselves in the service of the monarch.
Medal is awarded in five classes: I class is entierly set with diamonds; II class has red enamel cypher with surround set with diamonds; III class has royal cypher in gold with red enamel; IV class is silver with royal cypher in gold; V class is silver.
Mongkut - was the fourth monarch of Siam.