| Lot Number: 449 | |
 | Date: 1925, May 10 Est. price: £10.00 Category: Switzerland Description: Military commemorative flight, Zurich to Basel, all cachets, tied vignette, tied black on pale green etiquette, special printed card franked 10c and 25c air canc special blue framed postmark, and illustration of monument verso. Image. |
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| Lot Number: 450 | |
 | Date: 1926, Nov 28 Est. price: £25.00 Category: Switzerland Description: Mittelholzer First Africa Flight, Zurich to Alexandria, bs 13/12, plain cover franked 20c, 40c and 20c air, canc Zurich cds, black boxed "Afrikaflug" cachet. Faint ironed vertical crease, see image. |
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| Lot Number: 451 | |
 | Date: 1929, May 10 Est. price: £50.00 Category: Switzerland Description: GENEVA to ADELAIDE, intended Switzerland acceptance for the F/F Perth-Adelade service. Posted early enough to reach Perth on the London-Freemantle steamer in time for the F/F on June 4th, but no way if knowing if this cover achieved this. Plain cover franked 45c & 25c airs, typed 'By Air Mail/Perth Adelaide'. |
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| Lot Number: 452 | |
 | Date: 1937, Apr 11 Est. price: £25.00 Category: Switzerland Description: Swiss Automobile Post Office 10c PSC with B&W picture of a Bureau de poste autombile franked with additional 20c and cancelled with fine 'Schweiz Automobile Post Bureau cds, blue/black trilingual 'Par Avion' etiquette. Sent from the Swiss Pattern Fair, Basel by air to Germany. |
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| Lot Number: 453 | |
 | Date: 1939, May 22 Est. price: £25.00 Category: Switzerland Description: Switzerland acceptance for First Regular North Atlantic Service, Marseilles to New York, bs 27/5, viaMarseille-Gare 24/5, imprint 'Mit Luftpost' etiquette cover franked 100c, ms 'First Flight of /the Yankee Clipper/Marseilles-New York/via Lisbon', fine strike official red cachet, uncommon. Image. |
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| Lot Number: 454 | |
 | Date: 1939, May 24 Est. price: £25.00 Category: Switzerland Description: Switzerland acceptance for First Regular North Atlantic Service, Marseilles to Horta, bs 29/5, via Marseille-Gare 24/5, imprint 'Luftpost' etiquette cover franked 55c canc Geneva cds, typed 'Premier courrier aerien Transatalntique.Marseiile-Acores', fine strike official red cachet on front, black Horta cachet verso, violet straight line 'Par Avion Jusqu'a New York', nice item. Image. |
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