Collecting Perfins

Have you ever found stamps in your collection with tiny pin-holes through them? These are Perfins, an anti theft mechanism for companies and organizations to prevent employees from stealing stamps. Watch the video to learn more and see the following links and resources below.

Learn about the Sponsor: The American Philatelic Society https://stamps.org/
See the stamps: https://snupps.com/exploring_stamps/s...

Exploring Stamps Social Media:
Twitter:   / exploringstamps  
Instagram:  / exploringstamps  

Resources:
Special thanks to The Perfins Club: https://www.perfins.org/

Database of perfins (global): http://zenius.kalnieciai.lt/index.html
US Perfin Covers: https://www.perfins.org/US-Perfin-Cov...

The Perfin Society: http://www.angelfire.com/pr/perfinsoc/
Czech Perfin Club: http://www.perfin.cz/cs/
Dansk Perfin Samlerklub (Danish Perfin Club): http://perfin.dk/en/home/
Arbeitsgemeinschaft Lochungen (German Perfin Club): http://www.arge-lochungen.de/
Magyar Perfin Klub (Hungarian Perfin Club): http://www.mabeosz.hu/org/groups/perf...
The Perfin Club of Netherlands: http://www.perfinclub.nl/
Dutch East Indies Perfin Study Group: https://www.studiegroep-zwp.nl/perfin...
Perfin Discussion Group: https://groups.yahoo.com/neo/groups/p...
Perfins Club Facebook Group:   / 156514221215332  
Perfin Stamps of Australia: http://www.perfins.com.au/
Perfins on the Stamps of Cuba: http://www.cubafil.org/MemberPages/RR...
Danish Perfins: https://norbyhus.dk/perfdk.html
Online Danish Perfin Catalog: https://www.perfiner.dk/
Finnish Perfins: http://www.jiv.dk/finland/perfin.php
French Merson Perfins: http://www.coppoweb.com/merson/fr.per...
Great Britain Official Perfins: http://pennyreds.tripod.com/board.html
Hong Kong Perfins: http://rodsell.com/hkperfins/hkperfin...
Italian Perfins: http://www.perfin.it/Home.htm
Mexico Perfins: https://www.perfins.org/MexicoPerfins...
Railroad Perfins of the USA: http://alphabetilately.org/TORRP.html
Rhodesian Perfins: http://www.rhodesianstudycircle.org.u...

Video corrections:
"OS" for Australian states stood for "On Service" instead of "Official Service"
Inverted = upside down, Reverse = backwards... the folded stamps would have been "reversed"