b'41ex 106106C 21-22 July 1925 (AAMC.80-89a) Adelaide - Melbourne - Sydney per Australian Aerial Services intermediates group comprising Melbourne-Echuca, Melbourne-Sydney, Echuca-Broken Hill, Deniliquin-Broken Hill,Hay-Broken Hill, Broken Hill-Echuca, Broken Hill-Mildura, Sydney-Deniliquin & Sydney-Echuca between#80-89a, KGV adhesives including 4d olive (2) & 4d (5); generally fine to very fine, Cat $2700. (9 covers)$1,0001,200107107C 21 July 1925 (AAMC.85&88) Adelaide - Sydney two covers carried by Australian Aerial Services Ltd on first flights between new links on the Adelaide-Sydney service, the former (AAMC.88) with violet BY AERIAL MAIL cachet franked KGV 1d red, 1d green, 1d green and d green tied BROKEN HILL/21JL25/N.S.W datestamp flown to Sydney, the latter (AAMC.85) with Kangaroo 1d red (3) and KGV 1d black-brown tied Melbourne 21JL/1925 flown to Adelaide by pilot FS Briggs, both fine condition, Cat. $600. (2 covers)[AAMC states In most cases only small mails were carried especially between the intermediates.] $400500108 109108C 21-22 July 1925 (AAMC.83) Sydney - Melbourne flown cover, carried by Australian Aerial Services Ltd on their inaugural flights via Cootamundra, Hay and Echuca. Cat.$300. $200250109C 21-22 July 1925 (AAMC.87) Melbourne - Sydney flown cover, carried by Australian Aerial Services Ltd on their inaugural flights over this route. Cat.$300. $200250'