Aden. Kathiri State of Seiyun. 1946 Victory 2½a. blue, variety overprint inverted, large part original gum, fine. S.G. 13a. £1,300 (Image1)

Est. £150-200

Aden. Kathiri State of Seiyun. 1946 Victory 2½a. blue top right corner block of four, variety overprint inverted, lightly toned unmounted gum, otherwise fine and a rare and attractive positional multiple. S.G. 13a, £5,200 (Image1)

Est. £800-1,000

Aden. Qu'aiti State in Hadhramaut. 1949 UPU 1/- blue with margin at right, variety surcharge omitted, lightly mounted mint; there are a couple of light age patches on the reverse (one in the margin). Sanabria handstamp on the reverse. S.G. 19a, £4,000 (Image1)

Est. £400-500

Aden. 1937 Dhow ½a. to 10r. set of twelve, lightly mounted mint; several values with sheet margins, 10r. with corner margins. A good set. S.G. 1-12, £1,200 (Image1)

Est. £150-200

Aden. 1951 15c. on 2½a. deep ultramarine, variety surcharge double, lightly mounted mint; fine and scarce. S.G. 38a, £1,600 (Image1)

Est. £300-400

Aden. Kathiri State of Seiyun. 1946 Victory 2½a. blue, variety overprint inverted unmounted mint, fine and rare. B.P.A. Certificate (1960). S.G. 13a, £1,300 (Image1)

Est. £300-400

Aden. Kathiri State of Seiyun. 1946 Victory 2½a. blue, variety overprint inverted, a lightly mounted mint example from the foot of the sheet with part imprint; fine. S.G. 13a, £1,300 (Image1)

Est. £150-200

Aden. Qu'aiti State in Hadhramaut. 1949 U.P.U. 1r. on 1/- blue, variety surcharge omitted, unmounted mint, gum a touch toned; very rare. S.G. 19a, £4,000 (Image1)

Est. £500-600

Bahamas. 1942 Landfall of Columbus 8d. ultramarine and scarlet block of eight (2x4) with margin at left, the right-hand stamp in third row showing "coiumbus" error, lightly mounted mint; some light gum ageing. Brandon Certificate (1999). S.G. 170a, £12,000 (Image1)

Est. £800-1,200

Bahamas. 1942 Landfall of Columbus 2/- slate-purple and indigo top right corner block of four with sheet number "084", the lower right stamp showing variety stop after "columbus", unmounted mint. Rare. S.G. 172c, £5,000 (Image1)

Est. £500-800

Bahamas. An unused collection on stockpages including 1884-90 set to £1, Staircase 2/- and 3/-, K.E.VII values to £1, 1912-19 set to £1, 1938-52 values to £1 (3), 1942 Columbus set to £1, 1948 Tercentenary set (2) and some others; condition is a little mixed in places though generally good to fine. (169) (Image1)

Est. £200-300

Bahamas. 1942 Landfall of Columbus. ½d. green, variety doubling of the overprint, the second overprint is a lighter impression, 4.5mm above the first, large part original gum; some light gum ageing. B.P.A. Certificate (1991). S.G. 162b, £2,250 (Image1)

Est. £200-300

Bahamas. 1942 Landfall of Columbus. 4d. light blue and red-orange left margin block of four, one variety "coiumbus", lightly mounted mint; some gum ageing. S.G. 168a, £1,200 (Image1)

Est. £150-250

Bahamas. 1942 Landfall of Columbus. 4d. light blue and red-orange, variety "coiumbus", large part original gum; some light gum ageing. S.G. 168a, £1,200 (Image1)

Est. £200-250

Bahamas. 1942 Landfall of Columbus. 6d. olive-green and light blue marginal block of six, variety "coiumbus", large part original gum. S.G. 169a, £1,200 (Image1)

Est. £250-350

Bahamas. 1942 Landfall of Columbus. 8d. ultramarine and scarlet upper left corner block of sixteen, variety "coiumbus", unmounted mint; some light gum ageing. .S.G. 170a, £12,000 (Image1)

Est. £1,200-1,800

Bahamas. 1942 Landfall of Columbus. 3/- slate-purple and myrtle-green horizontal pair, one variety stop after "columbus", lightly mounted mint; some light, even, gum toning. Rare. S.G. 173, £2,500 (Image1)

Est. £150-200

Bechuanaland. A small mint collection with 1885-87 4d. and 6d.; 1888 with 5/- (lower right corner margins) and 10/-; 1888 4d. on 4d. and 6d. on 6d., 1888 Protectorate 2/6d., 1889 4d. on ½d/. 1897-1902 set to 6d., 1904 values to 1/- (3); K.G.V values to 5/- Seahorse (2) and 1932 set to 10/- (toned gum). Generally good to fine. (52) (Image1)

Est. £300-400

Bechuanaland. 1961 1r. type 1 on 10/-, block of four from the lower left corner of the sheet; unmounted mint, a scarce multiple. Initialled A. D(iena). S.G. 167, £1,100provenance:. 'Important British Empire', Spink, March 2005 (Image1)

Est. £200-300

British Guiana. 1938-52 $1 bright violet perforated 14½ 13, unmounted mint from the right of the sheet; very slightly off-white gum. S.G. 317a, £550 (Image1)

Est. £80-120

Brunei. Japanese Occupation. 1942-44 $5 and $25 in marginal blocks of four, both large part original toned gum with a few split perfs., the $25 bottom left stamp with corner crease. Proud-Bailey Certificate (1967) for the $5. S.G. J18, J19, £8,000 (Image1)

Est. £1,000-1,200

Brunei. Japanese Occupation. 1944 $3 in orange on 1c. black, unused with toned original gum, nevertheless very rare. S.G. J20, £9,000 (Image1)

Est. £1,000-2,000

Brunei. Japanese Occupation. 1942 8c. grey-black, unused with large part original gum. R.P.S. Certificate (1988). S.G. J9, £850 (Image1)

Est. £100-200

Cayman Islands. Two Great Rarities of Cayman Islands Philately. 1907 (Nov.) "½d" on 5/- salmon and green, variety surcharge inverted, fresh and fine with large part original gum. Extremely rare and one of the world's great 20th Century rarities. Signed E. Diena and accompanied by his Certificate (1980). S.G. 18a, £100,000Note: Only four examples are believed to exist, one of which, in a pair with normal, is in The Royal Philatelic Collection (Image1)

Est. £30,000-40,000

Cayman Islands. Two Great Rarities of Cayman Islands Philately. 1907 (Nov.) "½d" on 5/- salmon and green, variety surcharge double, large part original gum, well centred and a fine example of this rare error. B.P.A. Certificate (1951). S.G. 18b, £12,000Note: Only twenty examples are believed to exist, of which, one is used and four are in pair with normal, one of which is in the Royal Philatelic Collection (Image1)

Est. £3,000-4,000