28th PATA Annual Conference in Seoul , 16.04.1976 , Korea
Stone pagoda series , 20.03.1978 , Korea
Nepal Darshan Stamps Series on 26th Birthday Celebration of HRH Crown Prince, Birenda , 28.12.1970 , Nepal
Visit Nepal Series (2004)-Marker stone , 30.11.2004 , Nepal
Thai Heritage Conservation - Phra Nakhon Khiri (1989) , 1989 , Thailand
UNESCO –Sri Lanka Project , 25.08.1980 , Sri Lanka
Temples (2002) Wat Benjamabophit , 2002 , Thailand
The Phanom Rung historical park , 02.04.1998 , Thailand
Phanom Rung Historical Park - Vishnu Anantasayin , 02.04.1998 , Thailand
The outermost stairway of the Phanom Rung temple , 02.04.1997 , Thailand
