Articles from the August 2007 Bulletin

In August 2007 we published a special 50th anniversary containing 22 articles from the previous 50 years of Bulletins.
A selection can be viewed here:

Security Perforation Chronology by Charles Jennings.
First published September 1966, updated for the 50th anniversary Bulletin.
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Sloper 5 reigns plaque by Rosemary Smith.
First published September 2001.
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SC - the first perfin by John Nelson.
First published April 1988.
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The Perfins of Japan by Gary Shayler.
First published June 1996.
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