1914-15 'GRI 1d' 6mm opt DNG Yacht 3pf brown, variety '1' with straight top serif, setting VI, pos 3. VFM. Mi 1I(var), SG 1c cat £2000+. Extremely rare. 2017 Ceremuga AIEP photo cert. (P)

Estimate AU$2,400

1914-15 'GRI 1d' 6mm opt DNG Yacht 5pf green, variety short '1'. Mi 2I(var), SG 2b cat £350. Rare variety. 2017 Ceremuga AIEP photo cert. (P)

Estimate AU$350

1914-15 'GRI' opt DNG Yacht selection inc 1914-15 2d on 20pf, 2½d on 10pf & 2½d on 20pf, all 6mm spacing. 1914-15 1d on 3pf, 2d on 10pf U & 2d on 20pf, all 5mm spacing. F-VF M, unless noted. Mi 3I, 5I, 6I, 1II, 3II, 4II. SG 4, 5, ,6, 16, 18, 19 cat £500. Some vals exp Bloch & Champion. (6). (P)

Estimate AU$350

1914-15 'GRI 2d' 6mm opt DNG Yacht 20pf ultramarine variety '1' for 'I', setting I, pos 10. VFU, on piece with violet Rabaul 2 line pmk, 17 OCT 1914. MI 4I(var), SG 4a cat £425+. Rare variety. 2017 Ceremuga AIEP photo cert. (P)

Estimate AU$400

1914-15 'GRI 3d' 6mm opt DNG Yacht 30pf black & orange on buff, setting I, pos 5. VFU 2-line Rabaul 2 NOV 1914 violet pmk. Mi 8I, SG 8 cat £500+, plus premium for rare cancel. Only 661 printed. 2017 Ceremuga AIEP photo cert. (P)

Estimate AU$600

1914-15 'GRI 1d' 5mm opt DNG Yacht 3pf brown, variety '1' with straight top serif. VFM. Mi 1IIF, SG 16c cat £140. Exp Champion. (P)

Estimate AU$120

1914-15 'GRI 3d' 5mm opt DNG Yacht 25pf black & red on yellow, setting II, pos 8. VF fresh MLH. Mi 7II, SG 22 cat £190. Only 869 printed. Exp Turpin. (P)

Estimate AU$200

1914-15 'GRI 3d' 5mm opt DNG Yacht 30pf black & orange on buff. VF fresh MNH. Mi 8II, SG 23 cat £170 for M, should be at least double, £340 MNH. Only 661 printed. (P)

Estimate AU$300

1914-15 'GRI 8d' 5mm opt DNG Yacht 50pf black & carmine on rose, setting II, pos 1. VF fresh M. Mi 11II, SG 26 cat £425. Only 643 printed. 2017 Ceremuga photo-cert. (P)

Estimate AU$500

1914-15 'GRI 8d' 5mm opt DNG Yacht 80pf black & carmine on rose, setting XI, pos 5. VF fresh MLH. Mi 11II, SG 26 cat £425+, plus premium for this rare setting. Only 643 printed. Exp Richter, plus 2017 Ceremuga AIEP photo cert. (P)

Estimate AU$500

1915 'GRI 3d' opt Rabaul (Deutsch-Neuguinea) registration label no.904 (setting D, pos 2). F fresh MNH, bottom marginal, irregular at top. Mi 16g, SG 33d cat £425 for M, should be at least double, £850 MNH. 2005 Eichele photo cert. (P)

Estimate AU$400

1915 'GRI 3d' opt Friedrich-Wilhelmshafen (Deutsch Neuguinea) sans serif registration label, blk of 4, no.4, 5, 9 & 10. F-VF UN. Mi 16bI, SG 35 cat £1000 for singles, plus premium for blk. 2017 Ceremuga AIEP photo cert. (P)

Estimate AU$1,000

1915 'GRI 3d' opt Manus (Deutsch Neuguinea) sans serif registration label, blk of 4, nos 504, 505, 509 & 510. F-VF fresh M, left marginal, LR stamp small repaired tear. Mi 16fI, SG 39 cat £1300 plus premium for blk. 2017 Ceremuga photo cert. (P)

Estimate AU$1,000

1915 'GRI 3d' opt Kawieng (Deutsch Neuguinea) seriffed letters registration label, horiz pr, no.172, 171 left stamp variety no stop after 'd' in '3d' (setting B, pos 4-5). VF UN. Mi 16dII(var), SG 42/42a cat £725 plus premium for pr. 2017 Ceremuga AIEP photo cert. (P)

Estimate AU$800

1914 'GRI 1d' 5mm opt Marshalls Yacht 3pf brown, variety '1' with straight top serif, setting VI, pos 3. VF fresh M. Mi 1I(var), SG 50c cat £180. Only 2675 printed. (P)

Estimate AU$180

1914 'GRI 1d' 5mm opt Marshalls Yacht 5pf green, variety '1' & 'd' spaced, setting IV, pos 8. VFU, part violet oval 1915 pmk. Mi 2I(var), SG 51e cat £325. Brandon photo cert. (P)

Estimate AU$300

1914 'GRI 5d' 5mm opt Marshalls Yacht 50pf black & purple on buff, variety 'd almost totally omitted', setting II, pos 6. VFU, on piece with 'Rabaul 26 JAN 1915 New Britain' violet oval pmk. Mi 8I(PFI), SG 57f unpriced U, mint cat £2000. Only 600 in total printed so only 60 in this pos, possibly UNIQUE used. Holcombe photo-opinion & 2013 Ceremuga AIEP photo cert. (P)

Estimate AU$3,000

1915 '1' on 'GRI 2d' 5mm opt Marshalls Yacht 20pf ultramarine, setting II, pos 2. VFU, on piece with 'Rabaul JAN 28 1915' violet oval pmk. Interesting the '1' h/s was applied after stamp was affixed to piece - clear impression on back. Mi 15, SG 64 cat £2500++. Rare, only around 50 printed. Holcombe photo cert. (P)

Estimate AU$3,500

1915 'OS GRI 1d' opt DNG Yacht 3pf brown reconstruction of all 10 positions of 3rd setting, inc pos 6 '1d to left of centre, & pos 8 '1' & 'd' spaced, on well annotated page. Mostly F-VF M. SG O1/1a cat £400++. Great for specialist. (10). (P)

Estimate AU$350