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From: perelgut@utai.UUCP (Stephen Perelgut)
Newsgroups: net.misc,net.wanted
Subject: Credit Cards and Holograms
Message-ID: <414@utai.UUCP>
Date: Fri, 5-Apr-85 14:41:49 EST
Article-I.D.: utai.414
Posted: Fri Apr  5 14:41:49 1985
Date-Received: Fri, 5-Apr-85 16:07:57 EST
Distribution: net
Organization: CSRI, University of Toronto
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Xref: utai net.misc:2048 net.wanted:2718

I am interested in the "new" credit cards with all the
fancy graphics and magnetic strips.  Does anyone know
(as opposed to suspect) why they use holograms.  I also
understand that the cards have many other security features 
such as "invisible ink" verification codes.  Does anyone
know all the features to expect on a card and what they
mean?

E-mail is preferred. I'll summarize if there's any response.
-- 
Stephen Perelgut	Computer Systems Research Institute, Univ. of Toronto
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