1854-55 Lithographs 4a blue & red Die II with Queen's profile doubled, cut-to-shape on piece with fine '124' of Aden. Not the catalogued Double print which is catalogued at £40,000. (Image1)

Estimate AU$1,000

1929 8a H&G #1 (edge faults) and 1935 7½a on 8a #2 (front only), both with variety 'A.IR' for 'AIR'. (2) (Image1)

Estimate AU$100

1941 (Oct 14) printed 'V' Airmail cover to RAF Halton, Aylesbury, England with 1a3p x3 tied by Elgin Road Calcutta datestamp, censor handstamps; central fold and some edge blemishes. (Image1)

Estimate AU$80

1925 Anglo-Indian Survey Flight piloted by Alan Cobham from Calcutta to Croydon addressed to London with uncancelled India 2a KGV and black on green 'BY/ANGLO-INDIA AIR/SURVEY DH50/CALCUTTA/TO/LONDON' vignette and triangular Calcutta to London flight cachet, signed on reverse by flight engineer AB Elliot, with Waddon Aerodrome arrival backstamp, cover taxed with GB 3d due added, Fine condition. (Image1)

Estimate AU$320

1928 Calcutta-Rangoon Flight Cawnpore Crash Cover Nierinck #281003b with ½a KGV x2 tied by Park Street, Calcutta '4OC28' datestamps, attractive red and green flight cachet with '3RD OFFICIAL MAIL' handstamp beneath, boxed flight cachet on reverse and signed beneath by Stephen H Smith, 143 covers carried. (Image1)

Estimate AU$160

1932 Akyab-Calcutta stage (Nov 17) of round-the-world flight by Jacques Herbert, signed by the pilot with 1a3p tied by Akyab datestamp, black and orange label tied by 'ASMANI CHARI' flight cachet in violet, also signed by Stephen H Smith on reverse. (Image1)

Estimate AU$120

1932 Calcutta-Medan (Oct 3) KLM first flight to Dutch East Indies, Medan backstamp, 197 covers carried on flight; also a striking KLM black on red flight etiquette. (2 items) (Image1)

Estimate AU$160

1933 Penang-Bombay (Jan 16) Prince Ali Khan flight with attractive flight vignette tied by red eagle cachet, cancelled on arrival at Santa Cruz, signed on reverse by Stephen H Smith. 91 covers flown. (Image1)

Estimate AU$100