-------- Original Message --------
Subject:        Re: Invisible property stamps?
Date:   Wed, 04 Sep 2013 08:24:52 -0400
From:   Joel Kovarsky <[log in to unmask]>
To:     Maps, Air Photo, GIS Forum - Map Librarianship
<[log in to unmask]>



I would read/evaluate Appendix I here:
http://www.ala.org/acrl/standards/security_theft . Everett Wilkie was
heavily involved in this, hence Chapter 13 of his book (_Guide to
Security Considerations..._;
http://www.alastore.ala.org/detail.aspx?ID=3560 ) also deals with the
issue of invisible marks. Everett is not a big fan of invisible
markings, and that online reference will get to some of the reasons. You
might contact him directly.

        Joel Kovarsky

On 9/4/13 8:09 AM, Angie Cope, American Geographical Society Library, UW
Milwaukee wrote:
> -------- Original Message --------
> Subject: Invisible property stamps?
> Date: Wed, 4 Sep 2013 00:46:14 +0000
> From: Weessies, Kathleen <[log in to unmask]>
> To: [log in to unmask] <[log in to unmask]>
>
>
> Lately I've been reading about map library practices for marking maps,
> particularly rare and valuable maps.  Once in a while in the literature
> there is a mention of invisible property stamps that only show up in
> certain lighting.
>
>
>
> I haven't met anyone who uses this kind of stamp (or maybe I did and it
> is a closely guarded secret!).
>
>
>
> Anybody have any comments on this practice?
>
>
>
> Kathleen Weessies
> Geosciences Librarian
> Head, Map Library
> Michigan State University
> 517-884-0849