Lot 80078 – India – 1882-89, 1r, the un-overprinted design used by Sperati in a group of five items

India – 1882-89, 1r, the un-overprinted design used by Sperati in a group of five items, including an attractive celluloid cliché coloured black around the design for optimum contrast, and two celluloid clichés with reverse image in black and some notations, also two fine glass support clichés on different coloured backgrounds; unique components of stamp production with nothing similar in other collections or archives.