LOt 536. 1930-51 first flight covers (8) incl. 1930 April 4th Guayaquil-San Salvador with boxed blue cachet (64 flown), 1932 July 28th Military flight Loja-Guayaquil with oval cachet, another with additional cachet, 1937 Sept 10th Military special conference flight Quito-Lima, Peru with cachet (150 flown)
Estimated Price: £60.00 - 75.00
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http://www.corbitts.com/search
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