Stamps of Iran, 20 base day
1 to 50 of 85
postage
1951, Feb 20 Farabi death 1000th issue - portrait (1951) litho print unwmk p. 10½
| - | 50d | red | Farabi | |||
| - | 2.50r | bl | Farabi |
1953, Feb 20 oil discovery issue p. 11
| - | 50d | grn & yel | oil derrick & mosque | |||
| X | 1r | brtrose & yel | monument & mosque & oil derrick | |||
| - | 2.50r | bl & yel | oil derrick & mosque | |||
| - | 5r | blkbrn & yel | monument & mosque & oil derrick |
1953, Mar 20 Iran oil nationalization 2nd issue (5 stamps)
| - | 50d | blgrn | Abadan oil refinery | |||
| - | 1r | rose | oil storage tanks | |||
| X | 2.50r | brtultra | oil wells | |||
| - | 5r | redorg | oil pipelines | |||
| - | 10r | dkvio | View of Abadan |
1962, Mar 20 Social Insurance Week issue wmk. Persian inscription
| - | 2r | multi | Family on map over sprocket | |||
| - | 6r | multi | Family on map over sprocket |
1965, Mar 20 15th Anniversary of oil industry nationalization issue wmk. crown in circle & inscription p. 10.5
| - | 6r | multi | Map with oil pipelines emblem of NIOC | |||
| - | 14r | multi | Map with oil pipelines emblem of NIOC |
1966, Mar 20 establishment of six oil companies issue wmk. arms of Iran in circle
| - | 14r | multi |
1967, Mar 20 17th Anniversary of the Nationalized Iranian Oil Industry issue
| - | 6r | multi |
1967, Oct 20 United Nations Day 1967 issue
| - | 6r | grnbrn & bl |
1967, Nov 20 Visit of President Georgi Traikow issue
| - | 10r | vio & brnvio | Georgi Traikow 1898-1975 |
1970, Mar 20 20th Anniversary of the Nationalized Iranian oil Industry issue (5 stamps)
| - | 2r | multi | ||||
| - | 4r | multi | ||||
| - | 6r | multi | Oil separation plant Kharg | |||
| - | 8r | multi | Dock plate Kharg | |||
| - | 10r | multi | Refinery Tehran |
1970, Apr 20 Meeting of the Telecommunications Planning Committee for Asia & Oceania issue
| - | 14r | multi | ground station |
1971, May 20 rehabilitation of prisoners week issue
| - | 6r | multi | ||||
| - | 8r | multi |
1973, Jun 20 flowers (1973 Iran)
| - | 1r | multi | iris | |||
| - | 2r | multi | Hyacinthus | |||
| - | 6r | multi | Wild Rose |
1974, Dec 20 15th Anniversary of the Wedding of Mohammad Reze Shah Pahlavi & Farah Diba issue
| - | 6r | multi | Golden insect gift of Italian women to Farah Diba | |||
| - | 8r | multi | Golden diadem gift of the French nation |
1979, Sep 20 TELECOM '79 issue (no perf info)
| - | 20r | multi |
1981, Jul 20 Islamic Revolution 1981 issue wmk. Islamic Republic inscription (10 stamps)
| - | 50d | brn & blk | ||||
| - | 1r | grn & dkvio | ||||
| - | 2r | |||||
| - | 3r | |||||
| - | 5r | ltorg & blk | p. 13 | |||
| - | 10r | grnbl & dkbl | ||||
| - | 20r | |||||
| - | 50r | redpur & blk | ||||
| - | 100r | orgbrn & blk | p. 13 | |||
| - | 200r | blgrn & blk | p. 13 |
1982, Jan 20 Struggle Against Illiteracy issue (no perf info)
| - | 5r | multi |
1982, Feb 20 Unity Week 1982 issue p. 13
| - | 25r | multi |
1983, Nov 20 International Medical Seminar issue p. 13x13.5
| - | 3r |
1984, Jun 20 Conquest of Mekka by Mohammed issue p. 13
| - | 5r | multi |
1984, Aug 20 Cultural Heritage 1984 issue (no perf info)
| - | 5r | multi | Excavations at Susa | |||
| - | 5r | multi | Emamzadeh-Hossein Shrine Qazvin | |||
| - | 5r | multi | Imam Mosque Isfahan |
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