American Philatelic Society

1870 Colombia Registration Stamp Scott F3

One of these stamps is a genuine 1870 Colombia Registration Stamp Scott F3 and the other is a forgery. Can you tell the difference?
If you are having trouble, see the "hints" and answer below.



  1. Genuine stamp: clean, sharp printing, no letters of “Anotacion” or “Centavos” touch each other, vertical background lines complete and present in upper opening of “A” and stars have sharp points.
  2. Forged stamp: Whole design seems worn, letters of “Anotacion” or “Centavos” are closer together, with some touching, vertical background lines faint and upper opening of “A” is mostly solid black.


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