PIPEX 2015
Details of Convening Societies
(click the above link)
American Society of Polar Philatelists http://www.polarphilatelists.org/
Military Postal History Society http://www.militaryphs.org/
Universal Ship Cancellation Society http://www.uscs.org/
Civil Censorship Study Group http://www.postalcensorship.com/ccsg/
Future PIPEX shows and Convening Societies
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