Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-stamp-collecting-6e3e396ca612

What does a perforation gauge measure?

The number of stamp holes per space.

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  1. The color of the ink
  2. The number of stamp holes per space ✔
  3. The price of a stamp

Why: A perforation gauge, also called an odontometer, measures the stamp's perforations to help identify it.

Huh, didn't know that: A perforation gauge, also called an odontometer, measures the stamp's perforations to help identify it.

The dad joke
A gauge is a real hole-some tool for measuring perforations.
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References

Answer: The number of stamp holes per space. A perforation gauge, also called an odontometer, measures the stamp's perforations to help identify it.

  1. Philately en.wikipedia.org/wiki/Philately
    a perforation gauge (odontometer) to measure the perforation gauge of the stamp
    Checked 2026-11-07.

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