Lot 1471 India NOV.4.1929 First Day of Issue of Air Mail Stamps Flown Registered Cover, mailed from Park Street Calcutta to London England, “by Imperial Airways / India – Great Britain”. The cover is franked with all 5 stamps issued on that day (the 2a was issued later), and has three different air mail labels plus a boxed “FIRST DAY / OF ISSUE OF / AIR MAIL STAMPS”, with Park Street registration label on back, plus an oval registration GB receiver dated NOV.20. The cover is signed on back by G. Grant (the designer of the stamps) and Stephen H. Smith. Fresh, very fine and rare. Estimate C$2,000, sold for $2,700 plus 17% buyer’s premium.