b'369494C 4 Dec. 1921 (AAMC.56a & 57a) Perth - Derby flight, Hamilton, Macrae, Ltd long merchant cover to Broome flown by Western Australian Airways on inaugural flight of Australias first regular airmail service only as faras Geraldton where suspended due to fatal crash, flown back to Perth and most items forwarded by the steamer SS Bambra, however this item carried on subsequent non-contract special aerial mails flight by Major Brearley and Lt Charles Kingsford-Smith leaving Perth 14 Dec (AAMC.57a) with BROOME/18DE21/WESTN AUSTRALIA arrival datestamp on back, franked with Kangaroo 3rd Wmk 2d blue marginal pair(left-hand unit showing Heavy Coastline to WAvariety) tied by Perth cancels paying domestic letter rateplus 3d airmail surcharge with black PERTH DERBY/4DE21/AERIAL MAIL skeleton cachet alongside on face.The mail from the original suspended flight carried by the SS Bambra to northern ports did not reach Broome until 19 Dec., Cat $1100 + $1,250. Ex Frommer, sold for $1680 in the September 2016 sale of his Grand Prix Pioneer Australian Air Mails Collection. .$1,5002,0009595C 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. $9001,200'