Stamps, 20r denom
1 to 32 of 32
- Indonesia, 1951
- 1962
- 1964
- 1967
- 1968
- 1969
- 1970
- 1971
- 1972
- 1973
- 1974
- 1975
- 1976
- 1977
- official, 1974
- 1975
- 1976
- 1977
- special delivery, 1968
- 1969
- Riau, 1960
- 20r
1 to 32 of 32