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In 1854 Great Britain first officially issued perforated stamps. Previously, the stamps were issued imperforate and had to be separated by cutting or tearing the stamps apart.
Henry Archer built two rouletting machines. After experimentation both machines proved to be failures. From one machine a few stamps have survived. This machine consisted of lancet-shaped blades working on a fly-press principle and piercing the paper with a series of cuts. The vertical pair shown is from Plate 70.