52nd Auction - All World stamps & covers - Day 2

China - Flugpost: 1931, April 25, EURASIA trial flight for 1st China-Europe international air mail c
1931, April 25, EURASIA trial flight for 1st China-Europe international air mail connection, on cover to Braunschweig/Germany: airmails 15 C. (4, two pairs) tied "SHANGHAI 25.4.31" to EURASIA official envelope and special embossed bilingual seal of "EURASIA AVIATION CORPORATION SHANGHAI", only used with this envelope for the trial flight. The actual flight was 26.4.31 to Manchouli and then per train to Irkutsk. From Irkutsk with W.O.G.W.F. (all union civil flights union, renamed into Aeroflot 1932) to Moscow/Königsberg, then DERULUFT to Berlin and train to Braunschweig. Mounted on exhibition page with german explanations. Scarcer trial flight.
Value Add Taxes (19%) will be added to the hammer price and the buyers premium.