Discussion in 'Stamp Chat' started by Patricia Waterman, Apr 5, 2018.
what are the perforated lettered or numbers on stamps for
I believe you are meaning PERFINS (PERForated INsignias).
Here is the Wiki on them: https://en.wikipedia.org/wiki/Perfin
They are very collectible and there is a Perfins Club that has been around for many years.
If you go to Search Forums and enter 'perfins' you will find some threads on these interesting issues.
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