Aerogramme - Official: 1974 Jet 'Official Mail'. Superb fresh UN, unfolded. ACSC AO5 cat $20+. (Image1)

Estimate AU$20

Envelope - Official: 1919 use of KGV 1d red OS dots in die type 1, laid paper lines up to left, uprated ½d perf OS, with 'Euroa 1 AU 19' cds. ACSC EO4A cat $150. (Image1)

Estimate AU$80

Envelope - Official: 1924 KGV 1½d red Star OS die for Maternity Allowances Melbourne. GU, sl tones. ACSC EO15 cat $75. (Image1)

Estimate AU$40

Lettercard: 1913-14 Kangaroo 1d dark violet-blue die 1 view Cairns Railway. Overall unevenly aged, writing inside. ACSC LC15(28B) cat $150. (Image1)

Estimate AU$50

Lettercard: 1914-18 KGV 1d black-blue die I perf 10, view City Court Melbourne. F-VFU. ACSC LC17(35) cat $150. (Image1)

Estimate AU$100

Lettercard: 1914-18 KGV 1d black die I perf 10, view North Terrace Adelaide. F-VF UN, front VF, sl aging of 2 cnrs on view side. ACSC LC17(93) cat $150. (Image1)

Estimate AU$50

Lettercard: 1914-18 KGV 1d claret die I perf 12½, view Albert Bridge. VFU. ACSC LC18(3B) cat $75. (Image1)

Estimate AU$70

Postcard: 1920-22 KGV 1½d brown w/o footnote, on dark buff stock. CTO 'Melbourne 5 NO 20', sl aging. ACSC P52(2)x cat $100. Rare UPU 'specimen' example. (Image1)

Estimate AU$70

Postcard - Official: 1924-30 KGV 1d green solid OS Die 1, stamp Die type 4 with break at base - unrecorded w/o surch, for Vic Education Dept (4.28 date imprint on reverse). Superb fresh UN. ACSC PO6(var) unlisted, other types cat $300+. (P) (Image1)

Estimate AU$400

Postcard - Official: 1925-30 KGV 1d green Die 3 with printed reverse for Main Roads Board & 1½d brown printed reverse for Govt Printer, both perf OS NSW. VFU. ACSC P64e & P67e cat $300. (P) (Image1)

Estimate AU$200