This is the sixth edition, fully edited in Canada. The listings have been extensively revised and updated to reflect current research. Up-to-date pricing, new entries and many new features make this the most comprehensive catalog on the subject ever published.
numbering system bades on the established Scott Numbering System used throughtout North America
all currenly know precancels listed and illustrated by style
a unique numbering code to identify the carious precancels
illustrated listing of Canadian stamps that exist precancelled
net market values expressed in Canadian dunds
Bar Precancels identification system developed and established by consultation
alphabetical listing of Town and City Precancels