The 25th Anniversary of the Collective Security Treaty & 15th Anniversary of the Collective Security Treaty Organization 2017
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2017
The 25th Anniversary of the Collective Security Treaty & 15th Anniversary of the Collective Security Treaty Organization
30. November WM: None Sheetsize: 10 Design: David Dovlatyan Perforation: 13½
![[The 25th Anniversary of the Collective Security Treaty & 15th Anniversary of the Collective Security Treaty Organization, type ATD]](https://www.stampworld.com/media/catalogue/Armenia/Postage-stamps/ATD-s.jpg)
