1980-1989
Singapūras
Dabar rodoma: Singapūras - Mokėtinų pašto išlaidų ženklai (1990 - 1997) - 3 ženklai.
1993
Postage Due Stamps
30. balandis WM: Niekas Perforacija: 13 x 13¼
![[Postage Due Stamps, tipas C4]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/C4-s.jpg)
1997
Postage Due Stamps
7. lapkritis WM: Niekas Perforacija: 13 x 13¾
![[Postage Due Stamps, tipas C5]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/C5-s.jpg)
![[Postage Due Stamps, tipas C6]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/C6-s.jpg)
