b'48275275C 4 Dec.1921 Perth - Derby (AAMC.56a) Jas A Dimmett Motor Accessories Castrol Oil advertising cover carried by Western Australian Airways on the inaugural flight of Australias first regular airmail service; with 3d Kangaroo (surface fault) and KGV 2d orange tied PERTH cancels, paying domestic letter rate plus 3d airmail surcharge, black PERTH DERBY/4DE21/AERIAL MAIL skeleton cachet on face, DERBY/20DEC21/WESTN AUSTRALIA arrival datestamp on reverse, Cat. $1100. The service was suspended soon after leaving Geraldton on 5 Dec due to the fatal crash of one of the three aircraft; the mail was flown back to Perth and sent on by the steamer SS Bambra. .$500750276276C 17 April 1922 (AAMC.64) Geelong - Melbourne flown cover carried on the return flight of the Herald & Weekly Times experimental service with KGV 2d red and blue Herald/Air Mail label (Frommer #5a) affixed alongside; tied by Geelong machine cancel. Cat $1500. .$9001,200ImagesLot numbers in black indicate lots not illustrated in this catalogue but which are available online at www.leski.com.au'