Organized in 1952 to promote the collecting and study of the stamps
and postal history of the Canal Zone and the Isthmus of Panama
The Revised CZSG Check List, updated June 2016, is available here.
THE CZSG CHECK LIST
Revised and augmented Plating Tables by Geoffrey Brewster
The original CZSG Check List, published in 1986 as part of Canal Zone Stamps, is available below.
Regular Issues to 1924
Regular Issues 1924 to 1978
Air Mail, Postage Due and Officials
Booklet Panes and Booklets, Official Seals, Proofs and Essay, Precancels, Christmas Seals
Copyright 2011 Canal Zone Study Group. All rights reserved.
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