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postage
1910, May 5 1910 issue King Chulalongkorn unwmk p. 14x14.5 (6 stamps)
| X | 2s | org & grn | King Chulalongkorn | |||
| X | 3s | grn | King Chulalongkorn | |||
| X | 6s | car | King Chulalongkorn | |||
| X | 12s | blk & olbrn | King Chulalongkorn | |||
| X | 14s | bl | King Chulalongkorn | |||
| - | 28s | redbrn | King Chulalongkorn |
1912, Oct 15 1912 issue King Vajiravudh (11 stamps)
1914 ovpted
| X | 2s on 14s | ultra | King Vajiravudh | |||
| X | 5s on 6s | carrose | King Vajiravudh | |||
| X | 10s on 12s | blk & brn | King Vajiravudh | |||
| X | 15s on 28s | dkbrn | King Vajiravudh |
1916, Oct ovpted
| - | 2s on 14s | bl | King Chulalongkorn |
1919, Nov 11 ovpted
| X | 5s on 6s | carrose | King Vajiravudh |
1920, Jan 1 ovpted
| X | 10s on 12s | blk & brn | King Vajiravudh |
1928, Jan ovpted
| - | 10s on 28s | dkbrn | King Vajiravudh |
1930 ovpted
| X | 10s on 12s | blk & olbrn | King Chulalongkorn | |||
| - | 25s on 28s | redbrn | King Chulalongkorn |
1984, Jun 27 50th Anniversary of Thammasat University issue wmk. Harrison & Sons, London
| - | 1.25b | multi |
1987, Mar 31 200th Anniversary of the Birth of King Rama III issue wmk. squares & rectangles
| - | 2b | multi | King Rama III |
1988, Jan 9 Children's Day 1988 issue wmk. hourglasses
| - | 2b | multi | Drawing by Nutchaliya Suddhiprasit |
1988, Feb 26 72nd Anniversary of Thai Co-operatives issue wmk. squares & rectangles
| - | 2b | multi | Prince Kromamun Bridhyalongkorn |
1988, Apr 26 100th Anniversary of Siriraj Hospital issue
| - | 5b | multi | King Rama V |
1988, Jul 2 42nd Anniversary of the Regency of King Bhumibol Adulyadej issue (6 stamps)
1990, May 16 50th Anniversary of Chulalongkorn University Dentistry Faculty issue
| - | 2b | multi | Dentists patient |
1990, Jul 29 minerals (1990)
| - | 2b | multi | tin | |||
| - | 3b | multi | Zinc | |||
| - | 5b | multi | Lead | |||
| - | 6b | multi | fluorite |
1991, Feb 17 Land Deeds Project issue
| - | 2b | multi | surveyor on map of Thailand |
1991, Mar 30 36th Anniversary of the Birth of Princess Maha Chaki Sirindhorn issue
| - | 2b | multi | Sirindhorn |
1992, Jan 1 100th Anniversary of the Birth of Prince Mahidol of Songkla issue
| - | 2b | multi | Prince Mahidol of Songkla |
1992, Mar 5 21st International Sugar Cane Technologists Society Congress issue
| - | 2b | multi |
1992, Apr 1 80th Anniversary of Ministry of Transport and Communications issue
| - | 2b | multi | ||||
| - | 3b | multi | ||||
| - | 5b | multi |
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