1937 The All-Union Pushkin Fair, Soviet Union USSR, Souvenir Sheet (MNH) (Image)

1937 The All-Union Pushkin Fair, Soviet Union USSR, Souvenir Sheet (Image)

1937 The All-Union Avion Fair, Soviet Union USSR, Souvenir Sheet (MNH) (Image)

1937 The All-Union Avion Fair, Soviet Union USSR, Souvenir Sheet (Image)

1937 The First Congress of Soviet Architects, Soviet Union USSR, Souvenir Sheet (MNH) (Image)

1944 Red Army Raised the Blocade of Leningrad, Soviet Union USSR, Souvenir Sheet (Type I) (Image)

1930 The First All-Union Educational Exhibition at Leningrad, Soviet Union USSR (Full Set, MNH) (Image)

1936 Centenary of the Dobrolyubovs Birthday, Soviet Union USSR (Full Set, MNH) (Image)

1936 Pioneers Help to the Post, Soviet Union USSR (Full Set, MNH) (Image)

1937 10th Anniversary of the Dzerzhinsky Death, Soviet Union USSR (Full Set, MNH) (Image)

1937 The 20th Anniversary of the October Revolution, Soviet Union USSR (Full Set, MNH) (Image)

1938 The 20th Anniversary of the Red Army, Soviet Union USSR (Full Set, MNH) (Image)

1938 The First Trans-Polar Flight From Moscow to Portland, Soviet Union USSR (Full Set, MNH) (Image)

1938 Russians Participation in the Paris Exhibition, Soviet Union USSR (Full Set, MNH) (Image)

1938 The Children of the USSR, Soviet Union USSR (Full Set, MNH) (Image)

1938 Of the Soviet Drift Station North Pole-1, Soviet Union USSR (Full Set, MNH) (Image)

1939 The 125th Anniversary of the Lermontov Birth, Soviet Union USSR (Full Set, MNH) (Image)

1939 The 50th Anniversary of the Chernyshevsky Death, Soviet Union USSR (Full Set, MNH) (Image)

1939 Sanatoriums of the USSR, Soviet Union USSR (Full Set, MNH) (Image)

1939 Shevchenko, Soviet Union USSR (Full Set, MNH) (Image)

1939 The First Non Stop Flight From Moscow to the Far East, Soviet Union USSR (Full Set, MNH) (Image)

1939 The 50th Anniversary of the Saltykov Death, Soviet Union USSR (Full Set, MNH) (Image)

1939-40 Definitive Issue, Soviet Union USSR (Full Set, MNH) (Image)

1939-40 The USSR Pavilion in the New York World Fair, Soviet Union USSR (Perforated, Full Set, MNH) (Image)

1940 The Re-Unification Ukraine SSR and Byelorussia SSR, Soviet Union USSR (Full Set, MNH) (Image)