Stamps, 50c denom
301 to 350 of 465
Cook Islands
postage2015, Aug 5 50th Anniversary of Self Government b issue unwmk (no perf info)
| - | 50c | multi | 50 Years Of Self Government |
2016, Dec 19 Christmas 2016 issue
| - | 50c | multi | ||||
| - | 50c | multi |
2017, Jun 9 2017 surcharges issue
| - | 50c | multi | Porzana tabuensis | |||
| - | 50c | multi | Porzana tabuensis | |||
| - | 50c | multi | Porzana tabuensis |
2018, Dec 14 Christmas 2018 issue (6 stamps)
| - | 50c | multi | ||||
| - | 50c | multi | ||||
| - | 50c | multi | ||||
| - | 50c | multi | ||||
| - | 50c | multi | ||||
| - | 50c | multi |
2018, Dec 20 Birds of Prey 2018 - Without Frame issue
| - | 50c | multi | Polyboroides radiatus |
2018, Dec 20 Birds of Prey 2018 - White Frame on 1 or 2 Sides issue
| - | 50c | multi | Polyboroides radiatus |
2019, Mar 11 2019 surcharges issue
| - | 50c | multi | Puffinus tenuirostris | |||
| - | 50c | multi | Puffinus bailloni |
2019, May 30 Suwarrow Atoll National Park issue (6 stamps)
| - | 50c | multi | ||||
| - | 50c | multi | ||||
| - | 50c | multi | ||||
| - | 50c | multi | ||||
| - | 50c | multi | ||||
| - | 50c | multi |
2019, Jun 19 50th Anniversary of Apollo 11 issue
| - | 50c | multi |
2019, Dec 16 Christmas 2019 issue
| - | 50c | multi |
2020, Mar 1 Butterflies of the World 2020 - without White Frame issue
| - | 50c | multi | Ornithoptera richmondia |
2020, Mar 1 Butterflies of the World 2020 - with White Frame issue
| - | 50c | multi | Ornithoptera richmondia |
2020, Mar 1 Butterflies of the World 2020 issue
| - | 50c | multi | Ornithoptera richmondia |
Ross Dependency
1982, Jan 20 1982 issue
| X | 50c | Scott's Hut, Cape Evans | — | — |
1994, Nov 2 animals of Antarctica (1994)
| X | 50c | multi | chinstrap penguins | — | — |
2007, Nov 7 50th Anniversary of The Commonwealth Trans-Antarctic Expedition issue
| - | 50c | Beaver aircraft | — | — |
2008, Nov 5 British Antarctic Expedition 1907-1909 issue
| - | 50c | multi | departure of Nimrod from Lyttelton | — | — |
2009, Nov 25 50th Anniversary of the Antarctic Treaty issue
| - | 50c | multi | — | — |
Niue
1976, Mar 8 1976 issue - scenes of Niue
| X | 50c | multi | Canoe fishing |
1979, Jul 3 100th Anniversary of the Death of Sir Rowland Hill issue
| X | 50c | multi | France 3 stamp | |||
| X | 50c | multi | French railroad mail car |
1979, Nov 29 Christmas 1979 issue
| X | 50c | multi | Virgin & Child |
1980, Aug 22 ZEAPEX 80 issue
| X | 50c | multi |
1981, Apr 2 1981 issue - flora (1981)
| - | 50c | multi | Tibouchina sp | |||
| - | 50c | multi | Princess lover | — | — |
1981, Apr 10 Easter 1981 issue
| X | 50c | multi | Pieta by Fernando Gallego |
1981, Dec 11 Christmas 1981 issue
| X | 50c | multi | Virgin & Child in Temple |
1982, Jul 1 21st birthday of Diana, Princess of Wales issue
| X | 50c | multi | ||||
| - | 50c | multi | Prince Charles | — | — |
1982, Sep 10 Birth of Prince William of Wales b issue
| X | 50c | multi | ||||
| - | 50c | multi | — | — |
1983, Apr 28 125th birthday of Lord Robert Baden-Powell / 75th Anniversary of the Boy Scout Movement issue
| X | 50c | multi | Tree planting |
1983, Jul 14 World Scout Jamboree 1983 issue
| X | 50c | multi |
1991, Nov 11 Christmas 1991 issue
| - | 50c | multi |
1992, Feb 19 1992 issue - birds (1992 Niue)
| - | 50c | multi | Phaethon rubricauda |
1992, Nov 18 Christmas 1992 issue - paintings of Hans Memling
| - | 50c | multi | St Catherine by Memling |
301 to 350 of 465