Rāda: Singapūra - Pasta izdevumi deļ Markas (1970 - 1979) - 2 marka.
1973
Postage Due Stamps - Different Perforation
27. marts SV: 1 Perforēšana: 13½
![[Postage Due Stamps - Different Perforation, veids A8]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/A8-s.jpg)
1973
Postage Due Stamps - Different Perforation
24. augusts SV: 1 Perforēšana: 13½
![[Postage Due Stamps - Different Perforation, veids A9]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/A9-s.jpg)
