ただいま表示中： シンガポール - 郵便料金不足分支払い用切手 (1970 - 1979) - 2 切手.
1973
Postage Due Stamps - Different Perforation
27. 3月 WM: 1 ミシン目: 13½
![[Postage Due Stamps - Different Perforation, タイプ A8]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/A8-s.jpg)
1973
Postage Due Stamps - Different Perforation
24. 8月 WM: 1 ミシン目: 13½
![[Postage Due Stamps - Different Perforation, タイプ A9]](https://www.stampworld.com/media/catalogue/Singapore/Postage-due-stamps/A9-s.jpg)
