Barbados. 1852-55 blued paper 2d. greyish slate, horizontal pair from the right of the sheet; original gum and good to large margins, natural paper wrinkle at lower right. S.G. 4a, £600+ (Image1)

Est. £150-250

Barbados. 1882-86 CA ½d. to 5/- set of nine, unused with part to large part original gum including 4d. grey; a few values with gum toning including the 4d. grey and 5/- bistre. S.G. 89-103, £900+ (Image1)

Est. £200-400

Bechuanaland. Bechuanaland Protectorate. 1888 (19 Jan.) £5 lilac and black, an unused example with large part original gum, lightly hinged; very fine. Sismondo Certificate (2013). S.G. 21, £4,000 (Image1)

Est. £1,000-1,500

Bechuanaland. Bechuanaland Protectorate. 1888 (Aug.) group of seven values 1d. on 1d. lilac to 2/- green and black, unused with part to large part original gum. S.G. 41-47, £1,800+ (Image1)

Est. £400-500

British East Africa. 1895-96 India overprint set of fifteen to 5r. and 1895 (19 Dec.) 2½ on 1½a. sepia, some light even toning in places, otherwise fine; large part original gum. S.G. 49-64, £820 (Image1)

Est. £200-300

British East Africa. 1896-1901 CA set of fifteen to 5r., part to large part original gum. S.G. 65-79, £450 (Image1)

Est. £100-200

British East Africa. 1897-1903 1r. grey-blue (2) and 3r. deep violet, unused with large part original gum. S.G. 92 and 94, £450 (Image1)

Est. £100-200

British Guiana. 1850-1962 mainly used collection on pages including 1850-51 8c. green Cotton Reel (thinned), 1852 1c. black on magenta with B.P.A. Certificate (which states it is thinned and has been partly repainted etc.), 1852 4c. black on deep blue (thinned) with B.P.A. Certificate, 1853-59 1c. and 4c., 1863-63 with values to 24c., 1862 issue with values to 4c. including 2c. yellow with wrong ornament, 1889 set to 96c. unused, 1898 set of five unused, 1905 and 197 sets unused, largely complete from then on to the 1954 set and chiefly unused and good to fine; earlier material mixed condition. High catalogue value (Image1)

Est. £3,000-6,000

British Guiana. 1852 (Jan.) Waterlow 1c. black and magenta (2) and 4c. black on deep blue (2), all used, condition very mixed, the 4c. blues with varying degrees of surface rubbing and one with a horizontal crease; also a perforated reprint pair of both values. S.G. 9 and 10, £35,000 (Image1)

Est. £1,500-3,000

British Guiana. A mint collection on stock leaves which includes 1882 4c. blue, 1888-89 surcharges to 72c., 1889 96c., 1905-07 values to 96c., 1913-21 values to 72c. and 96c., 1934-40 set to $1, 1938-52 set to $3 with some perf. varieties on the high values, 1954-63 set to $5, 1966 Independence set to $5 etc. Clean and fine, apparently unmounted mint throughout (Image1)

Est. £200-300

British Guiana. 1882 1c. magenta and 2c. yellow selection on album pages including 1c. unused (8), used (15, including one without specimen, a pair and block of four) 2c. used (9, including a pair), a few with varieties including small '2' and se-tenant pairs; condition mixed (Image1)

Est. £300-400

British Guiana. 1931-46 Specimen group comprising 1931 Centenary, 1934 set, 1935 Silver Jubilee, 1937 Coronation, 1938-52 to $3 (no 96c.), 1946 Victory and 1940-55 Postage Dues; fine and the majority unmounted. S.G. £1,000+ (Image1)

Est. £250-350

British Guiana. 1938-52 $1 bright violet perf. 14 13, a block of four from the lower left of the sheet; unmounted mint, light crease in margin only at upper left; a fine and scarce multiple. R.P.S.L. Certificate (1997). S.G. 317a, £2,200+ (Image1)

Est. £500-700

British Levant. 1906 Beyrout Provisional 1pi. on 2d. grey-green and carmine, large part original gum; fine and scarce. R.P.S Certificate (1970). S.G. 15, £1,500 (Image1)

Est. £500-600

British Levant. British Field Office In Salonica. 1916 1d. scarlet vertical pair, the upper stamp with overprint double, original gum, lightly mounted; fine and rare. B.P.A. Certificate (1977). S.G. 52a, £3,000+ (Image1)

Est. £1,400-1,800

British Solomon Islands. A mint collection on stock leaves with 1908-11 Small Canoe 1/- to 5/-, 1914-23 set to 10/-, 1922-31 10/-, 1939-51 set plus perforated 'specimen' and 10/- block of four, 1956-63 set to £1, 1965 set to £1, Butterflies and Birds set to $5 and 1940 Postage Due set. Generally fine and unmounted mint (Image1)

Est. £300-400

British Virgin Islands. A mint collection on stock leaves with some St. Ursula values to 1/-, 1883-84 ½d. yellow-buff, 1904 set to 5/- plus 5/- Specimen, 1913-19 5/-, 1922-28 MCA set to 5/- (2) including blocks of 1/- and 2/6d. and script set to 5/-, 1938-47 set to £1 and additional values to £1, 1952 to $4.80, 1956-62 to $4.80, 1964-68 to $2.80; lightly mounted or unmounted mint. Fresh and attractive (Image1)

Est. £250-350

British Virgin Islands. 1935-46 perforated Specimen group comprising 1922-28 Script 1d. and 1½d., 1935 Silver Jubilee, 1937 Coronation, 1938-47 to £1 and 1946 Victory; fine and unmounted. S.G. £700+ (Image1)

Est. £200-300

Brunei. 1906 2c. on 3c. black and sepia of Labuan, overprinted in red and with variety 'brunei' double, a fine used example with part datestamp in blue. B.P.A. Certificate (1986). S.G. 12a, £2,500 (Image1)

Est. £500-700

Brunei. 1942-44 25c. slate-purple with overprint in red, an unused example with part original toned gum and paper adhesions, not detracting from the fine appearance. Ceremuga Certificate (2018). S.G J14a, £900 (Image1)

Est. £200-300

Burma. 1937 Stamps of India overprinted set of seventeen to 15r., large part original gum, lightly mounted; a few values unmounted. S.G. 1-17, £1,000+ (Image1)

Est. £300-400

Cape of Good Hope. 1853 1d. deep brick-red on deeply blued paper, good to huge margins all round, lightly cancelled; a fine example. S.G. 1a, £475 (Image1)

Est. £150-200

Cape of Good Hope. 1853 1d. brick-red on slightly blued paper, a used pair with good to large margins; lightly cancelled and fine. S.G. 3, £700 (Image1)

Est. £200-250

Cape of Good Hope. 1863-64 De La Rue. 1d. deep carmine-red, good to large margins; large part original gum. S.G. 18, £325 (Image1)

Est. £80-100

Cape of Good Hope. 1855-63, White Paper. 1d. deep rose-red on cream paper, block of four lightly cancelled, large margins all around, corner crease at lower right; otherwise fine and a scarce multiple. S.G. 5b, £1,500+ (Image1)

Est. £500-600