1914-15, black ''G.R.I.'' and surcharges (6mm apart) 1p/3pf- 2½p/20pf, set of four values, the ''key'' stamp with negligible two corner perforation creases, full OG, previously hinged, mostly VF, D. Brandon certificate for No.1, SG #1/3, 6, £1,035 (Image)

1914-15, black ''G.R.I.'' and surcharge (6mm apart) 5p on German New Guinea 50pf purple and black on salmon paper, large part of OG, previously hinged, VF, D. Brandon certificate, SG #10, £850 (Image)

1914-15, black ''G.R.I.'' and surcharge (3.5-4mm apart) 1s on German New Guinea 1m carmine, expertly repaired bottom right corner perforation, a collectible quality item, redistributed OG (certificate mentioned regummed), F/VF appearance, D. Brandon certificate, SG #12, £3,500 (Image)

1914-15, black ''G.R.I.'' and surcharges (5mm apart) on German New Guinea 2p/20pf-8p/80pf, set of six, full OG, LH or previously hinged, F/VF, No.26 expertized by H. Bothe and Champion, SG #19/26, £1,240 (Image)

1915, black ''G.R.I.'' and surcharge 3s on German Marshall Islands 3m black violet, tiny spot of gum scratch, large part of OG, previously hinged, fine and very scarce single, D. Brandon certificate, SG #61, £6,500 (Image)

Mint Collection. 1914-15, 21 stamps arranged on Lindner hingeless pages, representing second setting of surcharges (5mm apart) on German New Guinea, set of ten, and surcharges on German Marshall Islands, including 1s on 1m (No.59 - creased with small thin), and surcharge 1(p) over 2p on 10pf carmine (signed D. Brandon), nice quality overall, full/large part of OG (one stamp has no gum), mostly F/VF, D. Brandon certificates for sets of ten and nine, No. 59 with BPA certificate, C.v. is over £8,000 (Image)