By Category: Helicopter

Lot Number: 220
Date: 1946, Jul 5
Est. price: £10.00
Category: Helicopter

Description: First helicopter flight from Bridgeport, red/white/blue souvenir cover with picture of Sikorsky S 51 addressed to London, franked 30c air, large violet "20th Anniversary of Inauguration of Regular New England Air Mail Service" cachet.
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Lot Number: 221
Date: 1950, May 14
Est. price: £6.00
Category: Helicopter

Description: Sweden, F/F helicopter flight SAS Air Meeting, Bromma Airport to Stadshuset, gree/cream souvenir cover. Verso there is a note saying "Helicopter flight cancelled by police".
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Lot Number: 222
Date: 1953, Apr 4
Est. price: £5.00
Category: Helicopter

Description: F/F Linnas to Stockholm, 7/4/arrival ds on front,
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Lot Number: 223
Date: 1953, Aug 10
Est. price: £8.00
Category: Helicopter

Description: SABENA first scheduled helicopter mail service, Brussels-Maastricht, arrival ds on front, plain cover franked 90cx2 canc special commemorative ds, red helicopter cachet.
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Lot Number: 224
Date: 1953, Sep 1
Est. price: £8.00
Category: Helicopter

Description: SABENA first scheduled helicopter mail service, Brussels-Bonn, bs 5/10, plain cover franked 90cx2 canc special commemorative ds, red helicopter cachet.
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Lot Number: 225
Date: 1974, Oct 20
Est. price: £6.00
Category: Helicopter

Description: Nyiregyhaza to Budapest, Hungary 1974 Aerophilia, souvenir cover franked specila helicopter stamp and cnacellation, also red hexagonal cachet.
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