Lot 50431 – British Honduras – 1885 1s glass support cliché in

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.