Peterspost. Finland. 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

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

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