1990-12-28: Definitives 1988-93: Canadian Mammals

1990-12-28: Definitives 1985-2000

1990-11-09: 50th Anniv. of Second World War (2nd series)

1990-10-25: Christmas (1990), Native Art

1990-10-09: Birth Centenary of Agnes Macphail (1890-1954)

1990-10-09: Birth Centenary of Agnes Macphail (1890-1954)

1990-10-01: Canadian Folklore (1st series), Legendary Creatures

1990-09-07: Literacy - A Human Right

1990-09-05: 150th Anniversary of Weather Observing in Canada, 1840-1990

1990-09-05: 150th Anniversary of Weather Observing in Canada, 1840-1990

1990-09-05: 150th Anniversary of Weather Observing in Canada, 1840-1990

1990-09-05: 150th Anniversary of Weather Observing in Canada, 1840-1990

1990-08-07: Canadian Forests

1990-07-12: Prehistoric Canada (1st series), Primitive Life

1990-06-29: The Canadian Flag and Fireworks, 1965-1990

1990-06-29: 25th Anniversary of National Flag.

1990-06-29: The Canadian Flag and Fireworks, 1965-1990

1990-06-08: Cultural Treasures - Dolls

1990-05-28: High Value Definitives 1988-93: Architecture

1990-05-03: Canada Post Corporation "Moving the Mail"

1990-05-03: Masterpieces of Canadian Art 1990

1990-04-05: Multicoloured Maple Leaf

1990-04-05: Multicoloured Maple Leaf

1990-04-05: Multicoloured Maple Leaf

1990-03-15: Small Craft of Canada (2nd series), Early Work Boats

1990-03-02: Birth Centenary of Dr. Norman Bethune (surgeon)

1990-03: Definitives 1989-2005: Canadian Flag