Perforation gauge

A perforated sheet of US stamps. The spacing of the perforations, or gauge, can influence the scarcity and therefore value of a stamp.

In philatelic terminology, perforation gauge has two meanings:

See also

References and sources

Wikimedia Commons has media related to Stamp perforation.
References
  1. 1 2 "Stamp Perforation and Print method". Find your stamp’s value. Retrieved 2013-10-03.
  2. "The APS Hall of Fame 2000-2004". American Philatelic Society. American Philatelic Society. Retrieved 30 April 2015.
  3. Snee, Charles (editor) (2012). Scott Specialized Catalogue of United States Stamps and Covers 2013. Scott Publishing Co. pp. 63–77. ISBN 0894874756. OCLC 781677423.
Sources
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