Stamps of Sri Lanka, 26th of any month of any year
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postage
1972, May 26 World Fellowship of Buddhists 10th conference issue unwmk (no perf info)
| X | .05 | redbrn & multi | globe on Buddhist flag |
1982, May 26 Dr. G. P. Malalasekara memorial issue
| - | .50 | multi |
1983, Jan 26 30th Anniversary of International Customs Day issue
| - | .50 | multi | ||||
| - | 5.00 | multi |
1988, Apr 26 100th Anniversary of the Birth of Chevalier I. X. Pereira issue
| - | 5.75 | multi |
1989, Aug 26 200th Anniversary of French Revolution issue
| - | 8.50 | multi |
1989, Oct 26 Sir Cyril de Zoysa issue
| - | .75 | multi | Sir Cyril de Zoysa | .20 | .20 |
1990, Dec 26 postal service 175th issue
| - | 1r | multi | ||||
| - | 2r | multi | ||||
| - | 5.00 | multi | ||||
| - | 10.00 | multi |
1991, Oct 26 100th Anniversary of Kingswood College, Kandy issue
| - | 1.00r | multi |
1993, Jul 26 150th Anniversary of Talawila Church issue
| - | 1.00r | multi |
1999, Nov 26 Balangoda Ananda Maitreya Mahanyake Thero issue
| - | 3.50 | multi | Balangoda Ananda Maitreya Mahanyake Thero | — | — |
2002, Jul 26 125th Anniversary of Rifai Thareeq Association of Sri Lanka issue
| - | 4.50 | multi | .20 |
2003, Apr 26 Vesak 2003 issue
| - | 2.50r | multi | .20 | .20 | ||
| - | 3.00 | multi | .20 | .20 | ||
| - | 4.50 | multi | .20 | .20 | ||
| - | 23.00 | multi |
2005, Dec 26 1st Anniversary of the Tsunami issue
| - | 5.00 | multi | .20 | |||
| - | 20.00 | multi | ||||
| - | 30.00 | multi | ||||
| - | 33.00 | multi |
2007, May 26 World Scout Centenary issue
| - | 5.00 | multi | .20 | .20 |
2007, Jun 26 Sri Lanka Japan Friendship Society issue
| - | 15.00 | multi |
2008, Apr 26 7th Commonwealth Youth Ministers Meeting issue
| - | 5.00 | multi | .20 | .20 |
2011, Apr 26 man in space 50th issue
| - | 5.00 | multi | Yuri Gagarin |
2012, May 26
| - | 5.00 | multi | St. Philip Neri's Church, Ja-ela |
2016, Jan 26 National Parks of Sri Lanka - Kumana issue (7 stamps)
| - | 7.00 | multi | blue whale | — | — | |
| - | 10.00 | multi | leatherback sea turtle | — | — | |
| - | 15.00 | multi | Black-necked Stork | — | — | |
| - | 20.00 | multi | saltwater crocodile | — | — | |
| - | 25.00 | multi | Sri Lankan Elephant | — | — | |
| - | 35.00 | multi | Sri Lankan Leopard | — | — | |
| - | 40.00 | multi | Sloth Bear (Melursus ursinus) | — | — |
2016, Feb 26 130th Anniversary of Birth of D.R. Wijewardena issue
| - | 10.00 | multi | — | — |
2016, Jun 26 International Day against Drug Abuse and Illicit Trafficking 2016 issue
| - | 15.00 | multi | — | — |
2016, Oct 26
| - | 10.00 | multi | A.N.S. Kulasinghe | — | — |
2017, Nov 26 Christmas 2017 issue
| - | 15.00 | multi | — | — | ||
| - | 35.00 | multi | — | — |
2018, Nov 26 Lighthouses of Sri Lanka issue (no wmk info)
| - | 45.00 | multi | — | — | ||
| - | 45.00 | multi | — | — | ||
| - | 45.00 | multi | — | — | ||
| - | 45.00 | multi | — | — |
2019, Feb 26 Spices of Sri Lanka issue
| - | 15.00 | multi | — | — | ||
| - | 15.00 | multi | — | — | ||
| - | 15.00 | multi | — | — | ||
| - | 15.00 | multi | — | — |
2023, Feb 26 100th Anniversary of the Sri Lanka Malay Association issue
| - | 50.00 | multi | — | — |
2023, Aug 26 150th Anniversary of the Great Debate of Panadura issue
| - | 50.00r | multi | — | — |
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