Russia 2017 100 ann of Great Russian revolution, 1917-2017 "Crash of Empires" Nicholas II and Vilhelm II int. philatelic exhibition ESSEN-2017 Peterspost block mint

Peterspost. Russia. 100 ann. of Great Russian revolution, 1917-2017. "Crash of Empires", Nicholas II and Vilhelm II, int. philatelic exhibition ESSEN-2017, set of 2 stamps

Finland 2017 100 ann. of Great Russian revolution, 1917-2017. "Crash of Empires", Nicholas II and Vilhelm II, int. philatelic exhibition ESSEN-2017 Peterspost block mint