page_title: Postage stamp separation
hierarchical_section_title: Postage stamp separation
caption_attribution_description: English: Source: The file source http://home.earthlink.net/~pennyred/archerroulette.html from this web page
context_page_description: For postage stamps, separation is the means by which individual stamps are made easily detachable from each other.
  Methods of separation include:
  perforation: cutting rows and columns of small holes
  rouletting: small horizontal and vertical cuts
  diecutting: cut paper to shape using a metal die—used for self-adhesive stamps.
context_section_description: For postage stamps, separation is the means by which individual stamps are made easily detachable from each other.
  Methods of separation include:
  perforation: cutting rows and columns of small holes
  rouletting: small horizontal and vertical cuts
  diecutting: cut paper to shape using a metal die—used for  self-adhesive stamps.
caption: Vertical pair of 1d red, from Plate 70, perforated with the Archer experimental roulette.
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