Stamps of Sri Lanka, 1 base month
51 to 100 of 111
postage
1996, Jan 22 lighthouses (1996 Sri Lanka) unwmk (no perf info)
| - | .75 | multi | Great Basses Lighthouse | |||
| - | 2.00r | multi | Devinuwara Lighthouse | |||
| - | 20.00 | multi | Galle Lighthouse |
1997, Jan 15 1997 surcharges issue
| - | 1.00r | multi | ++on=8.50r | |||
| - | 2.50r | multi | ||||
| - | 2.50r | multi | ++on=2.00r | |||
| - | 11.00 | multi | ++on=10.50r |
1998, Jan 8 100th Anniversary of Young Men's Buddhist Association, Colombo issue
| - | 2.50r | multi |
1998, Jan 28 175th Anniversary of Sri Jayawardenapura Vidyalaya School, Kotte issue
| - | 2.50r | multi |
1999, Jan 8 100th Anniversary of the Birth of S. W. Bandaranaike issue
| - | 3.50 | multi | ||||
| - | 3.50 | multi |
2000, Jan 1 Millennium issue
| - | 10.00 | multi | ||||
| - | 100.00 | multi | ||||
| - | 100.00 | multi | ||||
| - | 100.00 | multi |
2001, Jan 19 125th Anniversary of Bishop's College issue
| - | 3.50 | multi |
2003, Jan 21 100th Anniversary of Teachers' College, Maharagama issue
| - | 4.50 | multi |
2004, Jan 6 140th Anniversary of Shazuliyathul Fassiya Tharika issue
| - | 18.00 | multi |
2004, Jan 30 100th Anniversary of Chavakachcheri Hindu College issue
| - | 4.50 | multi | .20 |
2004, Jan 30 125th Cricket Match between The Royal and S. Thomas Colleges issue
| - | 4.50 | multi | .20 |
2006, Jan 4 Wilpattu National Park issue - Wilpattu animals
| - | 5.00 | multi | barking deer | .20 | .20 | |
| - | 10.00 | multi | Haliaeetus leucogaster | .20 | ||
| - | 20.00 | multi | Melursus ursinus | |||
| - | 50.00 | multi | Panthera pardus |
2006, Jan 6 Institution of Engineers 100th issue
| - | 5.00 | blk & bl | diagram | .20 |
2007, Jan 6
| - | 5.00 | multi | Kande Viharaya - Aluthgama | .20 |
2008, Jan 4 Launching of 500th Nenasala issue
| - | 5.00 | multi | .20 | .20 |
2008, Jan 29
| - | 5.00 | multi | Most Ven. Halgasthota Sri Devananda Mahanayaka thero | .20 | .20 |
2010, Jan 8
| - | 10.00 | multi | D.M. Dasanayake |
2010, Jan 11
| - | 10.00 | multi | Thurstan College |
2011, Jan 18 Labugama Resevoir & Water Purification Plant 125th issue
| - | 5.00 | multi |
2011, Jan 21 P. R. Anthonis 100th issue
| - | 5.00 | multi | P.R. Anthonis |
2011, Jan 30 International Year of Chemistry issue
| - | 5.00 | multi |
2012, Jan 21 Legends of Sinhala Cinema issue (6 stamps)
| - | 5.00 | multi | Eddy Jayamanna | — | — | |
| - | 5.00 | multi | Sandhya Kumari | — | — | |
| - | 5.00 | multi | Titus Thotawatta | — | — | |
| - | 10.00 | multi | Joe Abeywickrama | |||
| - | 15.00 | multi | Malini Fonseka | |||
| - | 20.00 | multi | Gamini Fonseka |
2013, Jan 18 60th Anniversary of Sri Lanka - Japan Diplomatic Relations issue
| - | 5.00 | multi | — | — | ||
| - | 65.00 | multi |
2014, Jan 12 Thai Pongal 2014 issue
| - | 5.00 | multi | — | — | ||
| - | 25.00 | multi | — | — |
2015, Jan 13 Visit of Pope Francis to Sri Lanka issue
| - | 10.00 | multi | — | — | ||
| - | 75.00 | multi | — | — |
2016, Jan 11
| - | 10.00 | multi | Wilson Hegoda | — | — |
2016, Jan 16 Centenary of Sri Lanka School of Agriculture issue
| - | 10.00 | multi | — | — |
2016, Jan 26 National Parks of Sri Lanka - Kumana issue
| - | 7.00 | multi | blue whale | — | — | |
| - | 10.00 | multi | leatherback sea turtle | — | — | |
| - | 15.00 | multi | Black-necked Stork | — | — |
51 to 100 of 111