1932 Water Supply Commission window envelopes x2 comprising [1] (Jul 27) franked SMult 1d P13½x12½ perf 'OS' & [2] (Oct 21) franked CofA KGV 1d optd 'OS' (Cat $100 on cover); latter with original bill within, both stamps tied by Frankston datestamps. (2) (Image1)

Estimate AU$40

1934-37 OHMS Covers with KGV Heads perfin 'G/NSW' 1d green (5, one unused) & 3d from 'Gov't Railways, NSW', 'Dept of Railways, NSW/Darling Harbour Station', 'Consevatorium of Music, Sydney', 'Hunter District Water Supply...../Newcastle West', & Commercial Papers from (Education Dept) '....School at.....', 'The Correspondence School/Blackfriars'. Mixed condition. (6) (Image1)

Estimate AU$40

1966 (Jun 25) registered cover to USA with 20c Golden Whistler White paper BW #456a (bluish-white u/v reaction) x2 tied by Laburnum (Vic) datestamp, on reverse Melbourne transit & Sidney (Ohio) arrival datestamp. Cover very slightly reduced at left. (Image1)

Estimate AU$50

1985 Cover (Mar 22) Nedlands (WA) cover to Vic franked 30c Rock Paintings with 'PS' perfin (Perfin Society of Great Britain) Type PS.1, Stampex promotional label. (Image1)

Estimate AU$12

1913-15 PPCs with Kangaroo frankings on view side, all addressed to France, franking comprising 1d pair, 1d + ½d x2 (one with crayon cancel) and ½d plus 1d red KGV; odd fault, generally fine and attractive. (4) (Image1)

Estimate AU$80

1924 (Sep 8) commercial flight cover addressed to WD & HO Wills of Australia Ltd (Perth) with 1½d & 3d KGV tied by 'BROOME/8SE24' datestamps. (Image1)

Estimate AU$100

1942 (Aug 4) registered cover to Mildura bearing 4d Koala JOHN ASH imprint pair, tied by 'ARMY POST OFFICE/066' cds at Pine Creek, unnamed registration label, striking Flying Boat improvised AIR MAIL label, not seen by us previously. (Image1)

Estimate AU$80

1944-45 censor covers to Johannesburg comprising [1] 1945 Bulk Purchase Melbourne registered with 5d Ram & ½d Roo tied by Melbourne Registered datestamp, superb strike of large-boxed 'DUPLICATE LETTER SERVICE/SERIAL NUMBER' handstamp in red; [2] 1944 & 1945 2½d rate covers with 'ORIGINAL' or 'DUPLICATE' handstamps; also [3] Brazil triple-censor cover to same destination. (4) (Image1)

Estimate AU$200

1948 (Feb 25) advertising cover for Surplus Military Stores (Adelaide), small tear right edge, used locally with 1½d QM tied by slogan cancel. (Image1)

Estimate AU$60

1923 inwards cover from Germany to Melbourne with triple-circle 'CUSTOMS DUES/T½^D/3' & ½d PDue applied for payment. (Image1)

Estimate AU$130