This archived Web page remains online for reference, research or recordkeeping purposes. This page will not be altered or updated. Web pages that are archived on the Internet are not subject to the Government of Canada Web Standards. As per the Communications Policy of the Government of Canada, you can request alternate formats of this page on the Contact Us page.
| Author | Title | Year | |
|---|---|---|---|
| 1. | Another major Canadian error [ 3 cent ] | 1961 | |
| 2. | Three newly-found oddities of the 1967 definitives [an imperf coil...a double perf...and printed on gummed side] | 1973 | |
| 3. | Arfken, George B. | Perforations | 1992 |
| 4. | Simpson, William L. | The five cent large queen - Papers and perforations | 1992 |
| 5. | Avery, Derrick | Shades of Chambon | 1990 |
| 6. | Beaudet, Leopold | Perforation varieties on BABN Co. stamps [1981-1989] | 1989 |
| 7. | Beaudet, Leopold | Several variations of Canadian Bank Note H-comb | 1990 |
| 8. | Beaudet, Leopold | Canada Post news issues publication misses mark [Modern perforation error] | 1990 |
| 9. | Beaudet, Leopold | Perforation changes abound of contemporary issues | 1990 |
| 10. | Beaudet, Leopold | Collectors across country report new perforations [1989-1990] | 1991 |