Lesson plan

Underprint

An underprint is anything printed underneath the main design of a stamp, banknote or similar item. Underprinting is used as a security measure to prevent forgery, or the cleaning of a postmark from a used stamp. The most common form of underprinting is burelage which takes the form of a faint pattern of lines or dots. Underprinting may also take the form of single or repeating words, for instance the word CUSTOMS at one time appeared underprinted on British revenue stamps.

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Article summary

An underprint is anything printed underneath the main design of a stamp, banknote or similar item. Underprinting is used as a security measure to prevent forgery, or the cleaning of a postmark from a used stamp. The most common form of underprinting is burelage which takes the form of a faint pattern of lines or dots. Underprinting may also take the form of single or repeating words, for instance the word CUSTOMS at one time appeared underprinted on British revenue stamps.

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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Key claims and bibliography are generated from the same tracked claims and sources as the article page.