Soviet-Union 539C X MNH 1935 Aktivisten 9019087. Welcome to one of the world’s largest online shops for the world of collectors! Soviet-Union 539C X unmounted mint / never hinged 1935 Aktivisten 9019087. Branded product: Prophila Collection Prophila. Stamps Soviet-Union 539C X unmounted mint / never hinged 1935 Aktivisten. Issue reason: 1935 Aktivisten. Condition: unmounted mint […]