18 May 2007 04:45
Security Patterns - a photoset on Flickr
by 3 othersOn-going project to collect and organize envelope security patterns from around the world.
To participate, send high-res scans (jpg format) to security[at]workofwaves.com. Please include your name, city/country of origin, and what type of envelope the pattern was found in, if available.
Thanks!
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