American Philatelic Society

Guatemala Scott O3
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One of these stamps is a genuine Guatemala Scott O3. Can you tell the difference?
If you are having trouble, see the "hints" and answer below.



  1. Genuine: The corners are not joined, the f & i are joined, and it is a perf 12.
  2. Forgery: The corners are joined, the f & i are separated, and it is a perf 11½.


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