Wikimedi'Òc

The Soviet Union 1969 CPA 3831 stamp (Airplane Tupolev ANT-20 Maksim Gorky, 1934. Atlas) cancelled.jpg - Butko

The Soviet Union 1969 CPA 3831 stamp (Airplane Tupolev ANT-20 Maksim Gorky, 1934. Atlas).jpg - Wesha

The Soviet Union 1937 CPA 560-566 stamps (Aviation).jpg - Butko

The Soviet Union 1937 CPA 565 stamp (Tupolev ANT-20) cancelled.jpg - Butko

The Soviet Union 1937 CPA 565 stamp (Tupolev ANT-20).jpg - NoFrost

The Soviet Union 1969 CPA 3831 stamp (Airplane Tupolev ANT-20 Maksim Gorky, 1934. Atlas).png - Matsievsky