Cover from Russia

I have received cover from Russia. Stamp on cover is The 500th Anniversary of the Nizhny Novgorod Stone Kremlin, issued on 09.09.2015.

Nizhny Novgorod Kremlin is a unique military and engineering installation of the beginning of the 16th century. Built in 1515, it was considered one of the most complete constructions of Russian military architecture. Nowadays Nizhny Novgorod Kremlin is a historical and cultural center of Nizhny Novgorod. It houses the Plenipotentiary of the President in the Volga Federal District, regional and city administrations, Art Museum and a Modern Art Center. Since 1958 the Kremlin has been a part of Nizhny Novgorod Historical and Architectural Museum Preserve.

Inside cover was this Christmas postcard and four CTO stamps Soviet Union.

Two stamps from set The 60th Anniversary of USSR, issued on 25.10.1982.
The 71st Anniversary of October Revolution, issued on 05.10.1988.   
International Year of the Child, issued on 07.09.1979.


Thank you Nadezhda!