1915-16 opt Kangaroo 2d grey 1st wmk, horiz pr, with substituted opt type b-c. VF fresh M. SG 73(var) cat £40+ as singles, plus premium for very scarce variety. (2) (P) (Image1)

Estimate AU$120

1915-16 opt Kangaroo 3d greenish-olive Die I, 1st wmk opt type b. F-VF fresh MLH. SG 76c cat £250 inc premium for type b. (P) (Image1)

Estimate AU$250

1915-16 opt Kangaroo 2d, 6d, 9d & 1/-, 2nd wmk, opt type b. VF U. SG 86-90 cat £135. (4) (Image1)

Estimate AU$120

1915-16 opt Kangaroos 2d to 2/- 3rd wmk, opt type c. VF fresh M/MLH. SG 94-97 cat £47. (3). (Image1)

Estimate AU$45

1915-16 opt Kangaroo 3d olive 3rd wmk, Die I, II, II vert abc strip of 3 (pos 39/45/51). VF fresh UN, a scarce multiple. SG 96/a/b cat £435 as Die II single & Die I, II joined pr. (P) (Image1)

Estimate AU$300

1915-16 opt Kangaroo £1 brown & blue, 3rd wmk, opt type c. Superb fresh MNH. SG 99 cat £350 M, should be at least double, £700 MNH. Rare in such premium quality. (P) (Image1)

Estimate AU$1,000

1915 Precursor use of Kangaroos 3d olive & 6d pale blue, both perf OS, 3d with 'Madang 26 NO 15' cds. SG O20 & O23 cat £30, plus use in Australia, plus large premium for use in New Guinea. (2) (P) (Image1)

Estimate AU$200

1916 local cover franked provisional usage of Australia Kangaroo 2d grey (no NWPI opt), perf OS (4), tied by 'Madang 19 MR 16' cds. VFU. Very rare franking as due to shortages of NWPI stamps some perf OS stamps from Army stocks were issued at POs. (P) (Image1)

Estimate AU$500