1980-1989
Singapúr
Zobrazujú sa: Singapúr - Doplatné známky (1990 - 1997) - 3 známky.
1993
Postage Due Stamps
30. apríl WM: nikto Perforácia: 13 x 13¼
![[Postage Due Stamps, typ C4]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/C4-s.jpg)
1997
Postage Due Stamps
7. november WM: nikto Perforácia: 13 x 13¾
![[Postage Due Stamps, typ C5]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/C5-s.jpg)
![[Postage Due Stamps, typ C6]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/C6-s.jpg)
