Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.2 9/18/84; site watdaisy.UUCP
Path: utzoo!watmath!watdaisy!ndiamond
From: ndiamond@watdaisy.UUCP (Norman Diamond)
Newsgroups: net.misc,net.wanted
Subject: Re: Credit Cards and Holograms
Message-ID: <7179@watdaisy.UUCP>
Date: Mon, 8-Apr-85 12:09:50 EST
Article-I.D.: watdaisy.7179
Posted: Mon Apr  8 12:09:50 1985
Date-Received: Tue, 9-Apr-85 01:28:14 EST
References: <414@utai.UUCP>
Distribution: net
Organization: U of Waterloo, Ontario
Lines: 15
Xref: watmath net.misc:7813 net.wanted:6158

> Does anyone know (as opposed to suspect) why they use holograms.

They're harder to counterfeit, and it is virtually impossible to
alter the last two digits on an otherwise valid card without
damaging the hologram.

-- 

   Norman Diamond

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"Opinions are those of the keyboard, and do not reflect on me or higher-ups."