Lot 1454 1930.MAY.1 First Day of Issue of the 8a Air Mail Stationery Cover, mailed from Calcutta to Mr. Pont in London, England on May 1st, the first day of issue. Cover is also a first flight cover for a Delhi to Croydon flight (with purple unofficial cachet). Stephen Smith signature on reverse, next to a note from Mr. Hayman “Rec’d 13 MAY 1930”. Very fine. From the Pont Collection. Estimate $200, sold for C$1,100.00 plus 17% buyer’s premium.