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Perfin
Stamp that has had initials or a name perforated across it to discourage theft
In philately, a perfin is a stamp that has had initials or a name perforated across it to discourage theft. The name is a contraction of "perforated initials" or "perforated insignia". They are also sometimes called SPIFS ("stamps perforated with initials of firms and societies").
From Wikipedia
In philately, a perfin is a stamp that has had initials or a name perforated across it to discourage theft. The name is a contraction of "perforated initials" or "perforated insignia". They are also sometimes called SPIFS ("stamps perforated with initials of firms and societies").
Text: Wikipédia, CC BY-SA 4.0. · Image: Cochin Government (Public domain) ·
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