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The Republic Square (Armenian: Հանրապետության հրապարակ Hanrapetu'tyan Hraparak) is the large central town square in Yerevan, The square was designed by architect Alexander Tamanian within the 1924 main plan of Yerevan city. 

Stamps Stamps and postal stationery
25th anniversary of the Collective Security Treaty and 15th anniversary of the Collective Security Treaty Organization

25th anniversary of the Collective Security Treaty and 15th anniversary of the Collective Security Treaty Organization

On November 30th, 2017, a postage stamp dedicated to the theme “25th anniversary of the Collective Security Treaty and 15th anniversary of the Collective Security Treaty Organization” is put into circulation.


The postage stamp depicts the waving flag of the Republic of Armenia and the emblem of the CSTO (Collective Security Treaty Organization).


The Collective Security Treaty Organization is an international regional organization, founded in 2002 on the basis of the Collective Security Treaty being signed on the 15th of May in 1992.


Date of issue: November 30, 2017

Designer: David Dovlatyan

Printing house: Cartor, France

Size: 40,0 x 24,0 mm

Printrun: 40 000 pcs