4 cents Richard Bennett
5 cents Charles Tupper
The fourth and final set in the Prime Ministers Series, issued on November 8, 1955, honoured Conservative Prime Ministers Richard "R.B." Bennett (4 cent) and Charles Tupper (5 cent).
First Day Covers
Schering pharmaceutical advertising first day cover
Dr. James Collip was the Dean of the University of Western Ontario Medical School. Dr. Collip played a significant role in the discovery of insulin working with Frederick Banting and Charles Best.
Usages
Domestic Forward Letter
Saskatoon to Ennismore, November 8, 1955
5 cents forward letter rate
Shortpaid 1 cent and taxed 2 cents
US Surface Post Card
The US surface post card rate was 4 cents.
Halifax to Wooster, Ohio, April 9 1956
4 cents US surface post card rate
Domestic Forward Letter (5 cent denomination)
Nestadt to Kitchener, November 24, 1955
H. and O.S. R.P.O. ( Hanover and Owen Sound Railway Post Office) cancellation
5 cents domestic forward letter rate
Niagara Falls to Toronto, December 9, 1955
5 cents domestic forward letter rate + 10 cents special delivery fee
Woodstock to Norwich, November 8, 1855 (first day of issue)
5 cents forward letter rate + 20 cent registration fee
US Surface Letter
Cardston to Great Falls, Montana, March 12, 1956
5 cents US surface letter rate