1932 (18 Jun) USSR Baku - Moscow - Berlin - Hamburg, Airmail Registered cover, flights Baku - Moscow, Moscow - Berlin, Berlin - Hamburg (Muller 26 and 24 (USSR), 222 (Germany) CV $3,300)

From ex Dr. Peter Moeller collection that received the Large Gold Medal at the Hannover 2011 Exhibition.

Baku - Moscow - Berlin -
(Hamburg)

Since its foundation in 1932 AEROFLOT has been flying the route Moscow - Baku as a connection to Deruluft

Postmark:
Baku 18.6.1932
Moscow MLb
Berlin 23.6.1932
Berlin MLb
Hamburg 24.6.1932

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Baku - Moskau - Berlin -
(Hamburg)

Seit ihrer Gründung 1932 fliegt AEROFLOT die Strecke Moskau - Baku als Anschluss an Deruluft

Poststempel:
Baku 18.6.1932
Moskau MLb
Berlin 23.6.1932
Berlin MLb
Hamburg 24.6.1932