text
text
| date SG Sc |
Commemorative year SG Sc text |
Airmail year SG Sc-C text |
Charity year SG Sc-B text |
Official year SG-O Sc-O |
Post Due year SG-D Sc-J |
text
text
| text | text |
| text date SG Sc |
text date SG Sc |
text
| World's First text date SG Sc |
World's First text date SG Sc |