International Telecommunications Exhibition "TELECOM '91" - Geneva, and the 20th Anniversary of Telecommunication Day 1991
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1991
International Telecommunications Exhibition "TELECOM '91" - Geneva, and the 20th Anniversary of Telecommunication Day
7. Oktober Wz: Keine Bogengröße: 25 Zähnung: 13¼
![[International Telecommunications Exhibition "TELECOM '91" - Geneva, and the 20th Anniversary of Telecommunication Day, Typ BDN]](https://www.stampworld.com/media/catalogue/Libya/Postage-stamps/BDN-s.jpg)
![[International Telecommunications Exhibition "TELECOM '91" - Geneva, and the 20th Anniversary of Telecommunication Day, Typ BDO]](https://www.stampworld.com/media/catalogue/Libya/Postage-stamps/BDO-s.jpg)