Cambodia's Admission to the UPU, 45th Anniversary , 1996 , Cambodia
Wat Si Muang , 2009 , Laos
Republic of Cambodia , 1983 , Cambodia
Halley's Comet , 1986 , Bhutan
International Year of Astronomy , 2009 , Bhutan
Prasat Bayon , 2001 , Cambodia
Sixth Conference of the World Fellowship of Buddhists , 1961 , Cambodia
Temple of Preah Ko , 2002 , Cambodia
Temple of Preah Vihear , 2002 , Cambodia
Prasat Bayon , 1966 , Cambodia
