Lot 548
Switzerland, 1935 Catapult Flight Cover to United States, franked with 25rp+35rp+50rp Airmails tied by "Basel Flugplatz, 7 VIII 33" double circle postmark with magenta flight cachet of the S.S. Bremen, backstamped with New York registry ovals, Very Fine, only 69 sent.Estimate $200 - 300.
Realized: $240
Lot 549
Switzerland, 1933 Congress for Tourism & Transport Flight Cover, originating from Liechtenstein franked with Airmail 15rp+25rp+35rp (C1, C3-4) tied by Triesenberg postmarks with all proper cachets, Very Fine.Estimate $150 - 200.
Realized: $120
Lot 550
Switzerland, 1931 Graf Zeppelin South American Flight, card franked with 15c+65¢+2fr Airmail issues (C3, C10, C15) on flight postcard, purple flight cachet San Vicente transit, Very Fine.Estimate $100 - 150.
Realized: $80
Lot 551
Switzerland, 1936, 75c Icarus, grilled gum, horizontal pair, in combination with 1929, 35c Airmail (C13) on registered 1939 North Europe flight cover, all tied by "Zurich, 15.V.39" cds's, flight cachet and Copenhagen transit, Very Fine. Michel No. 190 z. Zumstein No. 11z.Scott No. C11a Estimate $200 - 300.
Lot 552 o
Switzerland, League of Nations, 1925, 30c deep blue on buff, grilled gum, partial strike of Geneva postmark, Very Fine; with 1986 Rellstab certificate. Zumstein No. 20z SFr 725 ($730).Scott No. 2O17a Estimate $100 - 150.
Realized: $210
Lot 553
Switzerland, 1870 Interment Aid Committee for Prisoners of War, Basel, cut-to-shape as always, strong colors, Very Fine, an extremely rare franchise stamp issued for the French troops interned in Switzerland during the Franco-Prussian war. SBK No. 7 SFr 8,000 ($8,080).Estimate $2,000 - 3,000.
Realized: $2,100