In-depth article on Lowe-Martin's self-adhesive coil stamps and the serpentine die cutting they employ.
This document (now 64 pages) is continually updated as new information is received. Please check back!
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Earlier versions of this article first appeared in the May-June 2009 Corgi Times (Elizabethan II Study Group bi-monthly journal) and the Jan-Feb 2010 Canadian Philatelist (RPSC bi-monthly journal). The version available here is a much expanded one and includes coil box dates.