British Honduras - 1885 6d, the unique master negative with black painted surround to avoid the entering of light laterally, carefully retouched by Sperati with his characteristic eye for the minutest detail; a key item and the unique matrix from which subsequent reproductions were rendered. Unique for this denomination. (Image)

British Honduras - 1885 6d, glass support cliché in bright yellow and with reversed image, dated by hand “2/38”; a shining cliché on glass, of the highest rarity with just four recorded of this denomination. (Image)

British Honduras - 1885 6d, cliché on celluloid, in vermilion and with reversed image, and being one of two 6d celluloids known. (Image)

British Honduras - 1885 1s, master negative on celluloid film, painted black around the area of design to avoid the light to diffuse laterally in the reproduction process; a unique matrix and key item of Sperati’s British Honduras production not previously recorded. (Image)

British Honduras - 1885 1s, glass support cliché in black and with image reversed, dated “2/35”, with production notes on all sides around the design, including at base the use of tempered gelatine and two fine layers. One of just three glass clichés known for this value. (Image)

British Honduras - 1885 1s glass support cliché in bright orange and with reversed image, dated “4/35” and displaying characteristic Sperati manufacturing notations, including an observation about the exposure to light during 2 mins 30 secs and at a temperature of 18 degrees and using 5% of a chemical substance; exceptionally decorative and one of three glass clichés recorded for this value. (Image)

British Honduras - 1885 6d, the only recorded final reproduction of this value, printed on genuine watermarked paper with a forged cancel “A 06” printed unto the stamp from Sperati’s own cliché, signed in pencil on the back. (Image)