1991-12-27: Definitives 1989-2005: Canadian Flag

1991-12-27: Definitives 1985-2000

1991-12-27: Definitives 1991-96: Fruit and Nut Trees

1991-11-08: 50th Anniv. of Second World War (3rd series)

1991-10-25: Basketball Centenary

1991-10-25: Definitives 1988-93: Canadian Mammals

1991-10-23: Christmas (1991)

1991-10-16: 150th Anniversary of Queen's University, Kingston 1841-1991

1991-10-16: 150th Anniversary of Queen's University, Kingston 1841-1991

1991-10-16: 150th Anniversary of Queen's University, Kingston 1841-1991

1991-10-01: Canadian Folklore (2nd series), Folktales

1991-09-23: Emergency Services

1991-08-29: Centenary of Ukrainian Immigration

1991-08-20: Canadian Rivers (1st series), Wilderness Rivers

1991-07-18: Small Craft of Canada (3rd series), Pleasure Craft

1991-06-28: Canada Day 1991 (Stylised Maple Leaf)

1991-06-28: Canada Day 1991 (Stylised Maple Leaf)

1991-05-22: Public Gardens

1991-05-07: Masterpieces of Canadian Art 1991

1991-04-05: Prehistoric Canada (2nd series), Primitive Vertebrates

1991-03-15: Medical Pioneers