1901-05 Lakatoi Imperforate Plate Proofs from De La Rue archives: set of seven 1/2d to 1s in matching right marginal pairs with part guide cross, minor…

1901-05 Lakatoi wmk. horizontal 1/2d to 1s, plus wmk. vertical 2s6d, set of eight values all in corner blocks of four, fine mint, few natural gum inclusions,…

1901-05 Lakatoi 1/2d to 1s mint duplicated selection, very fine (14) (SG £497)

1901-05 Lakatoi 2s6d black and brown, mint, fine & scarce (SG £650)

1901-05 Lakatoi 2s6d black and brown, mint, gum redistribution, fine & scarce (SG £650)

1901-05 Lakatoi 2s6d black and brown, mint, fine & scarce (SG £650)

1901-05 Lakatoi wmk vertical 2s6d, thick paper line perf, fine and fresh mint, well centred and rare (SG £5’000) Expertise: Cert. BPA (2015)

1901-05 Lakatoi wmk vertical 2s6d, thin paper comb perf, fine mint, fresh colour (SG £600)

1901-05 Lakatoi wmk vertical 2s6d, thin paper comb perf, fine used with central Port Moresby cds, fresh colour, scarce used (SG £1’300)

1906 Essay for large PAPUA in upper case letters on Lakatoi 1d wmk. horizontal, ovpt. partly double, with top sheet margin, submitted by the printer in…

1906 Large Papua ovpt on 1s wmk. vertical, fresh well centred mint, small mark on gum under hinge, scarce (SG £1’800) Expertise: Cert. Brandon 2003

1906 Large Papua ovpt on 2s6d wmk. vertical, top right corner marginal mint (stamp is unmounted, hinge in margin only), an exceptional example of this…

1907 Small Papua 2s6d vertical pair showing error “Overprint reading downwards” (row 3/2 and row 4/2), fine mint, lower stamp appears nh, very rare (SG…

1907 Small Papua 2s6d top marginal showing error “Overprint reading downwards” (single Papua at lower left) fine mint, stamp unmounted (hinge in margin…

1907 Small Papua 2s6d vertical marginal pair showing error “Overprint reading downwards”, fine mint part og, very rare (SG £14’000) Expertise: Cert….

1907 Small Papua 2s6d lower marginal showing error “Overprint reading downwards” (double Papua, in full at left and at right, row 6 stamp 4), fine and…

1907 Small Papua 2s6d lower left corner marginal showing error “Overprint reading downwards” (single Papua in full at middle) fine mint, very well centred,…

1907 Small Papua 2s6d vertical pair showing error “Overprint triple” (one strong and two underinked impressions), fine used with Port Moresby cds 21 JUL…

1907 Small Papua, wmk vertical, 1/2d with error overprint double, fine mint, fresh and well centred, minor natural gum wrinkling, rare variety (SG £3’500) Expertise:…

1907 Small Papua, wmk vertical, 1d lower left corner strip of four, showing error “overprint reading upwards”, partly double in left margin, top stamp…

1907 Small Papua, wmk vertical, 1d single showing error “overprint reading upwards”, full single Papua at lower right, used with Port Moresby cds 10 JAN…

1907 Small Papua, wmk vertical, 1d single showing error “overprint reading upwards”, single “Papua” at middle base, fine used with Port Moresby cds 10…

1907 Small Papua, wmk vertical, 1d left marginal pair showing error “overprint reading upwards”, left stamp additionally “overprint double”, fine used…

1907 Small Papua, wmk vertical, 6d single showing error “overprint double”, fine mint, fresh colour, very rare variety (SG £6’500) Expertise: Cert….

1907 Small Papua, wmk vertical, 1s lower left corner block of four showing error “overprint double, one diagonal” on all four stamps, fine used with Port…

1907 Small Papua, wmk vertical, 2s6d thick paper, very fine used with neat part Port Moresby cds, well centred and fresh, very rare (SG £9’500) Expertise:…

1907 Small Papua, wmk vertical, 2s6d thick paper, very fine used with neat Port Moresby cds 22 FEB 11, well centred and fresh, very rare (SG £9’500) Expertise:…

1909 Litho small “PAPUA” wmk sideways perf.12 1/2, 6d black and myrtle-green, fine and fresh mint, a rare stamp (SG £5’000) Expertise: Cert. Brandon…

1909 Litho small “PAPUA” wmk sideways perf.12 1/2, 6d black and myrtle-green, fine and fresh mint, a rare stamp (SG £5’000) Provenance: Gilbert Expertise:…

1909 Litho small “PAPUA” wmk sideways compound perforation 11×12 1/2, 2d horiz. pair, fine and fresh mint, a rare multiple (SG £3’400) Expertise: Cert….

1909 Litho small “PAPUA” wmk sideways compound perforation 11 on 3 sides x 12 1/2 at left, 2d top right corner marginal single, fresh mint, slight tone…

1909 Litho small “PAPUA” wmk sideways mixed perforation 11 and 12 1/2, 4d marginal vertical strip of four showing the variety on the top stamp, fine and…

1911-15 Monocolour Lakatoi 1d die proof in black on thin surfaced card, with minor surface mark, extremely rare with few recorded Provenance: Reading…

1911-15 Monocolour Lakatoi 4d die proof in black on thin surfaced card, with faults incl. heavy crease, extremely rare with few recorded Provenance:…

1911-15 Monocolour Lakatoi 2s6d in unusual deep aniline crimson shade, top left corner block of four (wmk crown to right of A when seen from back), fine…

1916-31 Bicolour Lakatoi 1 1/2d perforated plate proof in issued colours on ungummed unwatermarked paper, lower left corner marginal showing an additional…

1916-31 Bicolour Lakatoi 10s imperforate plate proof in issued colours, on unwatermarked paper, horiz. pair with sheet margin at right, very fine and rare…

1929-30 AIR MAIL ovpt on Lakatoi 3d, top left corner strip of five, showing error overprint omitted on lower stamp, fine mint (stamps unmounted, hinge…

1929-30 AIR MAIL ovpt on Lakatoi 3d, Ash printing, in vertical pair showing error overprint omitted on upper stamp, fine and fresh unmounted mint, very…

1929-30 AIR MAIL ovpt on Lakatoi 3d, Ash printing, vertical pair showing error overprint omitted on upper stamp, fine and fresh unmounted mint, faint gum…

1929-30 AIR MAIL on 3d Lakatoi, Ash printing, left marginal single error OVERPRINT VERTICAL ON BACK due to a paper fold, fresh mint (hinge in margin only),…

1929-30 AIR MAIL on 3d Lakatoi, Ash printing, vertical left marginal pair with lower stamp error OVERPRINT OMITTED due to paper fold, plus OVERPRINT VERTICAL…

1929-30 AIR MAIL on 3d Lakatoi, Ash printing, part sheet 3×10 with Ash Imprint at foot, showing SIX OVERPRINT TETE-BECHE PAIRS due to the ovpt being inverted…

1930 Airplane ovpt on 3d Lakatoi, Harrison printing on yellowish paper, with right sheet margin, fine unmounted mint, very rare in this quality (SG £3’500) Expertise:…

1930 Airplane ovpt on 1s Lakatoi, Harrison printing on yellowish paper, error OVERPRINT INVERTED, fresh mint with right sheet margin, extremely rare variety…

1930 Airplane ovpt on 1s Lakatoi, Harrison printing on yellowish paper, dark carmine ovpt (10 sheets of the first printing made in this colour), lower…

1930 Airplane ovpt on 1s Lakatoi, Harrison printing on yellowish paper, dark carmine ovpt (10 sheets of the first printing made in this colour), marginal…

1930 Airplane ovpt on 1s Lakatoi, Harrison printing on yellowish paper, dark carmine ovpt (10 sheets of the first printing made in this colour), horizontal…

1932-35 Mint hinged sets incl. 1932-40 to £1, some with toned gum, fine appearance (SG £600)

1932-40 Pictorial set 1/2d to £1, each overprinted SPECIMEN (Samuel type BEC-2) by Bechuanaland Postal Authority on receipt from the UPU in Berne, mostly…