1914-15 'GRI 2½d' opt DNG Yacht 10pf carmine, marginal blk of 10. Superb fresh MNH. SG 5 cat £950 for M singles, should be at least double, £1900 MNH. Retail $2000 as singles. (10) (P) (Image1)

Estimate AU$1,000

1914-15 'GRI 2½d' 6mm opt DNG Yacht 20pf ultramarine, blk of 4. Superb fresh MNH. SG 6 cat £440 for M singles, should be at least double, £880 MNH. Retail $900 as singles. (P) (Image1)

Estimate AU$600

1914-15 'GRI 2d' 5mm opt DNG Yacht 20pf blue, error 'opt DOUBLE'. Superb U tied to small piece. Oval 'Rabaul New Britain Jan' in violet. SG 19h cat £5000+. Rare as only several recorded. 2014 Ceremuga AIEP photo-cert. (P) (Image1)

Estimate AU$6,000

1914-15 'GRI 3d' 5mm opt on DNG Yacht 30pf black & orange/buff. VF U, tied to piece by Stephansort cancel. Mi 8II. SG 23 cat £225. 2002 Ceremuga AIEP photo cert. (P) (Image1)

Estimate AU$250

1914-15 'GRI 4d' 5mm opt on 40pf black & carmine. VF U, tied to piece by part Rabaul oval cancel. Mi 9II. SG 24 cat £275. 2002 Ceremuga AIEP photo cert. (P) (Image1)

Estimate AU$300

1914-15 Provisional usage of Australia Roo ½d green vert pr tied to piece by frozen type 'Stephansort 13' cds. VF. Powell type 52 rated E. Scarce. (P) (Image1)

Estimate AU$150

1914 Provisional usage front remains franked Kangaroo 1d red tied by *Rabaul* NOV 2 1914* FDI pmk in violet (Powell type 49c). Rare. (P) (Image1)

Estimate AU$200

1915 GRI 2d opt on Yacht 10pf postcard, opt type A, plus unlisted variety 'flaw in R of opt'. Superb fresh UN. Mi P2. ACSC NG5A cat $200. (Image1)

Estimate AU$150

1915 GRI 2d opt on Yacht 10pf Postcards, with type A & B opts. type A with unlisted variety 'flaw in R of opt'. 1st superb fresh UN, 2nd 2 small holes. Mi P2. ACSC NG5A & 5B cat $400. (2) (P) (Image1)

Estimate AU$180