*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.
24c Carmine Rose & Blue, 1918 Air Post (C3). Tied by magenta "Air Mail Service Wash. N.Y. Phila. New York May 15, 1918 First Trip" datestamp on cover to Washington, signed by Pilot James Edgerton, Very Fine and desirable example of the first scheduled air mail route