Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - United States - 1933 (June 10-July 7), First Non-Stop Round Flight to Haiti by ''Columbia'', mixed franking cover, franked by Winged Globe 8c olive bister, specially issued surcharged stamp of 60c/20c blue applied for return flight (Haiti #C4A), tied by Port-au-Prince ''6.JUL.33'', six-line cachet with flight itinerary and crew members, NYC ''JUL.7.1933'' arrival ds, VF, Est. $300-$400, Scott #C17