The squared circle postmarks of Canada
By: Glenn Hansen, W.G. Moffatt.
Contributors: Moffatt, W. G.; British North America Philatelic Society.
Edition: 4th ed.
Publisher: G. Hansen; W.G. Moffatt
Published: 1981
Place of publication: [Winnipeg, Man?]
Language: eng
Number of pages: 485
Subjects: Cancellations (Philately) -- Canada.; Postmarks -- Canada.
Notes: Cover has subtitle: A handbook of the British North America Philatelic Society.