Checklist and catalog: Canadian postage stamps, perforated and overprinted OHMS and 'G'
Subtitle: classifying and pricing 234 major varieties ... 513 minor varieties.
Edition: 3d ed.
Publisher: The Author, 2288 Bellevue Ave.
Published: 1966
Place of publication: West Vancouver, B.C
Language: eng
Number of pages: 24
Subjects: Postage stamps -- Canada.
Notes: Cover title.