Now showing: UN Vienna - Postage stamps (1990 - 1999) - 24 stamps.
5. February WM: None Sheetsize: 20 Perforation: 13¼ x 13½
![[Definitive Issue, type JN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/UN-Vienna/Postage-stamps/JN-s.jpg)
19. March WM: None Sheetsize: 20 Perforation: 13
![[UNESCO World Heritage: Australia, type JO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/UN-Vienna/Postage-stamps/JO-s.jpg)
![[UNESCO World Heritage: Australia, type JP]](https://swmedia-4cd6.kxcdn.com/media/catalogue/UN-Vienna/Postage-stamps/JP-s.jpg)
22. April WM: None Sheetsize: 4 Perforation: 12¾ x 12½
![[Endangered Species, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/UN-Vienna/Postage-stamps/0291-b.jpg)
WM: None Perforation: Roulette
![[Conference on Exploration and Friendly Uses of Outer Space - UNISPACE III, Vienna, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/UN-Vienna/Postage-stamps/0295-b.jpg)
WM: None Perforation: Roulette
![[Conference on Exploration and Friendly Uses of Outer Space - UNISPACE III, Vienna, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/UN-Vienna/Postage-stamps/0295-b.jpg)
7. July WM: None Perforation: 14½
![[Conference on Exploration and Friendly Uses of Outer Space- UNISPACE III, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/UN-Vienna/Postage-stamps/0297-b.jpg)
23. August WM: None Sheetsize: 6 Perforation: 11¾
![[The 125th Anniversary of the Universal Postal Union, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/UN-Vienna/Postage-stamps/0298-b.jpg)
23. August WM: None Sheetsize: 6 Perforation: 11¾
![[The 125th Anniversary of the Universal Postal Union, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/UN-Vienna/Postage-stamps/0298-b.jpg)
21. September WM: None Sheetsize: 20 Perforation: 14½ x 14¼
![[In Memoriam, type KI]](https://swmedia-4cd6.kxcdn.com/media/catalogue/UN-Vienna/Postage-stamps/KI-s.jpg)
21. September WM: None Perforation: 14
![[In Memoriam, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/UN-Vienna/Postage-stamps/0303-b.jpg)
18. November WM: None Sheetsize: 20 Perforation: 13¾
![[Cornerstone of the 21th Century, type KK]](https://swmedia-4cd6.kxcdn.com/media/catalogue/UN-Vienna/Postage-stamps/KK-s.jpg)
![[Cornerstone of the 21th Century, type KL]](https://swmedia-4cd6.kxcdn.com/media/catalogue/UN-Vienna/Postage-stamps/KL-s.jpg)