*A buyer’s premium of 18% of the winning bid was added as part of the total purchase price on all lots in this sale. Buyers were responsible for applicable sales tax, customs duty and any other prescribed charges. By placing a bid, bidders agreed to the terms and conditions in effect at the time of the sale.
1920 (Nov. 1) Experimental Key West-Havana Seaplane Flight. 3c vertical pair tied on 3c Entire by Key West, Fla. Nov. 1, 1920 duplex, first trip cachets on front and Havana Nov. 12 receiving cachet on back, "Via Air Mail" crossed out and replaced by ms. "Via Sea Plane", Very Fine