Stamps of Sri Lanka, 4 base month
1 to 50 of 192
postage
1975, Apr 1 unwmk (no perf info)
| - | 1r | multi | Old Parliament Building, Colombo |
1977, Apr 7 Handicrafts of Sri Lanka issue - Handicrafts (1977 Sri Lanka) (14 stamps)
| - | 20c | multi | Brass Lamps, w. unwmk, p. 13 | .20 | .20 | |
| - | 25c | multi | Jewellery box, w. unwmk, p. 13 | .20 | .20 | |
| - | .50 | multi | Caparisoned Elephant, w. unwmk, p. 13 | |||
| - | 5.00 | multi | mask, w. unwmk, p. 13 | |||
| - | 15.00 | multi | (2022) | — | — | |
| - | 15.00 | multi | (2022) | — | — | |
| - | 15.00 | multi | (2022) | — | — | |
| - | 15.00 | multi | (2022) | — | — | |
| - | 15.00 | multi | (2022) | — | — | |
| - | 15.00 | multi | (2022) | — | — | |
| - | 15.00 | multi | (2022) | — | — | |
| - | 15.00 | multi | (2022) | — | — | |
| - | 15.00 | multi | (2022) | — | — | |
| - | 15.00 | multi | (2022) | — | — |
1978, Apr 27 unwmk
| - | 15c | multi | runners |
1981, Apr 1 100th Anniversary of of Sri Lanka Light Infantry issue
| - | 2.00r | multi |
1982, Apr 1 flowers (1982 Sri Lanka)
| - | .35 | multi | .20 | .20 | ||
| - | 2.00r | multi | Mesua nagassarium | |||
| - | 7.00 | multi | Rhodomyrtus tomentosa | |||
| - | 20.00 | multi | Phaius tancarvilleae |
1982, Apr 6 Food and Nutrition Policy Planning issue
| - | .50 | multi |
1982, Apr 20 Vesak 1982 issue
| - | .35 | multi | ||||
| - | .50 | multi | ||||
| - | 2.50r | multi | ||||
| - | 5.00 | multi |
1982, Apr 21 World Hindu Conference 1982 issue
| - | .50 | multi |
1982, Apr 29 Opening of Parliament Building Complex, Sri Jayawardanapura, Kotte issue
| - | .50 | multi |
1984, Apr 27 Vesak 1984 issue
| - | 0.35 | multi | King Daham Sonda instructing Angels | .20 | ||
| - | 0.60r | multi | ||||
| - | 5.00 | multi | ||||
| - | 10.00 | multi |
1985, Apr 12 Inauguration of Victoria Hydro-electric Project issue
| - | 0.60r | multi | Victoria Dam | |||
| - | 7.00 | multi | Dam Power Station on Sri Lanka Map |
1985, Apr 22 Vesak 1985 / 100th Anniversary of Vesak Poya Holiday issue
| - | 0.35 | multi | .20 | .20 | ||
| - | 0.60r | multi | ||||
| - | 6.00 | multi | ||||
| - | 9.00 | multi |
1986, Apr 5 Halley's Comet issue
| - | .50 | multi | .20 | |||
| - | .75 | multi | ||||
| - | 6.50 | multi | ||||
| - | 8.50 | multi | Edmond Halley |
1986, Apr 10 Sinhalese and Tamil New Year 1986 issue
| - | .50 | multi | .20 | |||
| - | .75 | multi | ||||
| - | 6.50 | multi | ||||
| - | 8.50 | multi |
1986, Apr 29
| - | 1.00r | multi | ++on=4.60r |
1987, Apr 2 Agra Mahaweli '87 issue
| - | 75c | multi |
1987, Apr 7 World Health Day issue
| - | 1r | multi |
1987, Apr 9 New Year 1987 issue
| - | 75c | multi | Girls Playing on Swing | .20 | .20 |
1 to 50 of 192