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).
Blogs
- Arge-lochungen
- Canadian Perfin Officials
- Hong Kong Perfins
- Perfin (Czech & Slovak)
- Perfin (Italy)
- Perfin Stamps of Australia
- Perfins on the Stamps of Cuba
- Scout PERFINs & SPIFS
Websites
- Dansk Perfin Samlerklub
- Dutch East Indies Perfin Study Group
- German Perfin Club
- Hungarian Perfin Club
- Perfin Club of Netherlands
- Perfin Society
- Perfins Club
- Rhodesian Study Circle