1914-15 'GRI 5d' 5mm opt DNG Yacht 50pf black & purple on buff. VF fresh MLH. Mi 10II, SG 25 cat £325. Only 569 printed. (P) (Image1)

Estimate AU$350

1915 'GRI 3d' opt Friedreich-Wilhelmshafen (Deutsch Neuguinea) San serif registration label blk of 4, Nos 193, 192, 188 & 187 right stamps error no stop after 'd' in '3d. VF UN. Mi 16bI(var), SG 35/35a cat £1400+ for single, plus premium for se-tenant multiple should be +50% so est £2100. 1963 Mohrmann photo cert, while AIEP certificate can be obtained on request. (P) (Image1)

Estimate AU$1,800

1915 'GRI 3d' opt Kawieng (Deutsch Neuguinea) serif registration label no 328. VF fresh MNH. SG 42 cat £250 for M, should be at least double, £500 MNH. (P) (Image1)

Estimate AU$600

1914 'GRI 2d' 5mm opt Marshall Yacht 10pf & 20pf. VF MNH, 2nd sl cnr crease. Mi 3I & 4I cat €85, SG 52 & 53 cat £54 for M, should be at least double £108 MNH. (2) (Image1)

Estimate AU$50

1914-15 'GRI 2d' 5mm opt Marshalls Yacht 20pf blk of 4. VF fresh MNH. SG 53 cat £108 for M singles, should be double, £216 MNH. Retail $280 for singles. (P) (Image1)

Estimate AU$130

1914 'GRI 3d' 5mm opt Marshalls Yacht 30pf black & orange on buff, variety 'no stop after d' (2nd setting, position 5). VFU with Rabaul violet oval d/s. Mi 611(var), SG 55e cat £1200. Only 263 in total printed, so only 26 of variety of which only a few would have been used. Holcombe photo cert. (P) (Image1)

Estimate AU$1,500

1914 'GRI 8d' 5mm opt Marshalls Yacht 80pf black & carmine. VF fresh MNH. Mi 9I cat €1200, SG 58 cat £475 for M, should be at least double, £950 MNH. Only 490 printed. Copy of Holcombe & Brun photo certs of blk of 4 it came from. (P) (Image1)

Estimate AU$1,000