country - Canada, year - 1991, number of issues in the catalog - 44
Catalogue
country - Canada, year - 1991, number of issues in the catalog - 44
| ID | Date | Name | Action |
|---|---|---|---|
| 303194 | 1/1/1991 | Wildlife Habitat Conservation | |
| 371756 | 1/1/1991 | Canadian Bible Society | |
| 338388 | 1/1/1991 | Crippled Children Easter Seals | |
| 23994 | 1/11/1991 | Definitive | |
| 167480 | 1/11/1991 | Definitives 1989-2005: Canadian Flag | |
| 23996 | 3/15/1991 | Canadian physicians | |
| 23995 | 3/15/1991 | Canadian Doctors | |
| 167573 | 3/15/1991 | Medical Pioneers | |
| 23997 | 4/5/1991 | Prehistoric Life in Canada, The Age of Primitive Vertebrates | |
| 332200 | 4/5/1991 | Prehistoric Canada (2nd series), Primitive Vertebrates | |
| 332179 | 5/7/1991 | Masterpieces of Canadian Art 1991 | |
| 23998 | 5/17/1991 | Masterpieces of Canadian Art | |
| 167607 | 5/22/1991 | Public Gardens | |
| 167463 | 5/24/1991 | Definitives 1985-2000 | |
| 24000 | 6/28/1991 | Canada Day, 1991 | |
| 332152 | 6/28/1991 | Canada Day 1991 (Stylised Maple Leaf) | |
| 24001 | 7/18/1991 | Small Craft, Pleasure Craft | |
| 167623 | 7/18/1991 | Small Craft of Canada (3rd series), Pleasure Craft | |
| 24002 | 8/20/1991 | Canada's River Heritage, Wilderness Rivers | |
| 24003 | 8/20/1991 | Heritage Rivers |