1914-15 'GRI 2s' 3¾mm opt DNG Yacht 2Mk blue, variety 'large S', from diff font (5th setting). VF fresh M. Mi 13I(var), SG 13a cat £12,000. Great rarity as even normal 2s/2Mk is very rare, while only several examples of this variety recorded. Exp Herbert Bloch, while new AIEP certificate can be obtained on request. (P) (Image1)

Estimate AU$12,000

1914-15 'GRI 1d' 5mm opt DNG Yacht 5pf, error 'Ip' due to 'd' INVERTED & '1 with straight top serif = I'. Superb U with 'Stephansort' blue cds. Mi 2IIF(var). SG 17c/e cat £3750+ for the inverted d variety, plus should be extra +50% to +100% for the for the combination of 2 varieties together, so £5625 to £7500. Great rarity with only 2 examples recorded. New AIEP certificate can be obtained on request. (P) (Image1)

Estimate AU$7,000

1914-15 'GRI' 5mm opt DNG Yacht 5pf green, variety 'GRI without stops but with normal spaces.' VFU on piece with violet oval cancel. Mi 2II(var). SG 17ga cat £11,000. Great rarity with only several recorded. 2006 BPA photo cert, while new AIEP certificate can be obtained on request. (P) (Image1)

Estimate AU$11,000

1914-15 'GRI 3d' 5mm opt DNG Yacht 30pf black & orange. VF fresh MNH. Mi 8II. SG 23 cat £170 as M, should be at least double, £40 MNH. Only 661 printed. (P) (Image1)

Estimate AU$350

1915 'GRI 3d' opt Herbertshohe (Deutsch Neuguinea) sans serif Registration label no. 727. VF fresh MNH, dull gum from interleaving as always. Mi 16c, SG 36e cat £500 for M, should be at least double, £1000 MNH. Less than 300 printed & rare MNH. Certificate can be requested on request. (P) (Image1)

Estimate AU$1,000

1915 'GRI 3d' opt Kawieng (Deutsch-Neuguinea) Sans serif registration label no 832. Superb fresh MLH. Mi 16dI, SG 37 cat £1000. Very rare, only around 100 printed! Exp Buhler & Kilian BPP, while AIEP certificate can be obtained on request. (P) (Image1)

Estimate AU$1,300

1915 'GRI 3d' opt Kawieng (Deutsch Neuguinea) serif registration label no 328. F-VF fresh MNH. SG 42 cat £250 for M, should be at least double, £500 MNH. Exp Richter, plus 2021 Ceremuga AIEP photo cert. (P) (Image1)

Estimate AU$375

1915 'GRI 3d' opt Kawieng (Deutsch Neuguinea) serif registration label, blk of 4 no.263, 262, 258, 257. VF fresh 3M/1MNH. Mi 16dII, SG 42 cat £1000 for M singles, MNH should be at least double, so £1250 for this. Rare multiple. Alberto Diena photo cert. (P) (Image1)

Estimate AU$1,000

1914-15 'GRI 2d' 5mm opt Marshalls Yacht 10pf, vert pair, lower stamp error opt DOUBLE, both equally strong & shifted vert (opt setting 6). Normal VF fresh MLH with natural paper inclusion, error superb fresh MNH, pristine never hinged original gum. SG 52f+52 cat £3777 for M singles, should be at least double, £7500 for the MNH error, plus premium for se-tenant pair. Spectacular & extremely rare. 1997 BPA photo-cert. (P) (Image1)

Estimate AU$7,000

1914-15 'GRI 2d' 5mm opt on Marshalls Yacht 20pf ultramarine. VF fresh MNH. Mi 4I, SG 53 cat £27 for M, should be at least double, £54 MNH. (Image1)

Estimate AU$50

1914-15 'GRI 3d' 5mm opt Marshalls Yacht 25pf, error opt DOUBLE one INVERTED, both equally strong (opt setting 10 & 11). VF fresh MNH with never hinged original gum, tiny spot in UL cnr of no significance. SG 54h cat £4750 for M, should be at least double, £9500 MNH. Spectacular & extremely rare. 1991 BPA photo-cert. (P) (Image1)

Estimate AU$6,000

1914-15 'GRI 3d' 5mm opt Marshalls Yacht 30pf black & orange on buff. VF fresh MNH. Mi 6I, SG 55 cat £475 for M, should be at least double, £950 MNH. Only 263 printed & rare MNH. Exp Champion, plus 2021 Ceremuga AIEP photo cert. (P) (Image1)

Estimate AU$800

1914-15 'GRI 5d' 5mm opt Marshalls Yacht 50pf, error opt DOUBLE with only 2nd '5d' at top stamp, equally strongly printed (opt setting 2). Superb fresh MLH, with nice original gum. SG 57g cat £10,000. Spectacular & extremely rare error. Exp Hoffman-Giesecke while new AIEP certificate can be obtained on request. (P) (Image1)

Estimate AU$10,000

1914-15 'GRI 8d' 5mm opt Marshall Yacht 80pf black & carmine. VF fresh MLH. Mi 9I cat €600, SG 58 cat £475. Only 490 printed. Holcombe & Brun photo certs of blk of 4 it came from. (P) (Image1)

Estimate AU$450

1915 GRI 1d opt DNG 5pf green Postcard with wmk, opt type A. VF UN. Mi P1, ACSC NG2A cat $200. (P) (Image1)

Estimate AU$150

1915 GRI 2d opt DNG 10pf red Postcard, opt type B. Superb UN. Mi P2, ACSC NG5B cat $200. (P) (Image1)

Estimate AU$150

1915 GRI 2d opt DNG 10pf red Postcard opt type B. F CTO 'Rabaul New Britain FEB 27 1915' violet oval pmk. Mi P2. ACSC NG5B cat $200+ for UN, plus premium for nice cancel. (P) (Image1)

Estimate AU$250

1915 'GRI 1d' opt DNG Yacht 5pf green reply half Postcard, opt type B. UN, creases & trimmed at top. Mi P3. ACSC NG48 cat $200 & under-catalogued. (Image1)

Estimate AU$100

1915 Registered cover franked 'GRI 1d' 5mm opt DNG Yacht 3pf & 'GRI 3d' opt Rabaul (Deutsch Neuguinea) Registration label w/o hyphen both tied by oval 'Rabaul MR 1 1915' pale violet pmks. SG 16 & 33 cat £435+ as loose stamps alone & 'from x3' on cover. Rare & attractive correctly franked cover. (P) (Image1)

Estimate AU$1,300

1915 Registered cover piece franked GRI 1d 6mm opt on DNG Yacht 5pf & 2½d on 10pf & 20pf, plus opt 3d Registration Label of Rabaul. All tied by 'Rabaul New Britain MAR 23 1915' oval pmks. VFU. SG 2, 5, 6 & 33d cat £960+ & would be 'from x3' on cover. (P) (Image1)

Estimate AU$1,000