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