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The Cascade (Armenian:    Կասկադ Kaskad) is a giant stairway in Yerevan, Armenia. It links the downtown Kentron area of Yerevan with the Monument neighborhood.

Stamps Stamps and postal stationery
150th anniversary of International Telecommunication Union

150th anniversary of International Telecommunication Union

Date of issue: October 09, 2015


Design: Vahagn Mkrtchyan


Printing house: AMPG Group


Stamp size: 35,0 x 25,0 mm


Postcard size: 150,0 x 110,0 mm


Print run: 500