
The 6 cent and 7 cent denominations are examples of creating a reverse image through the use of engraving.

The 10 cent and 15 cent values employ the technique of engraving to superimpose lines of silver ink upon a ground and field printed in two colours by the lithographic process.


National Archives of Canada
The Christmas stamps, tagged and untagged, were issued on October 6, 1971.
First Day Covers
Canada Post Office Publicity First Day Cover

Shering Corporation


Canada Envelope Company


H & E

Canada Post Office Official First Day Covers




Rosecraft




David Pritchard




Usages
Domestic Letter

Winnipeg to Aylmer, December 6, 1971
7 cents domestic letter rate
Winnipeg tag
Air Mail Letter to the United States
The air mail letter rate to the United States was 10 cents.

Gillam, Manitoba to New York, December 20, 1971
10 cents air mail letter rate to the United States
International Letter
The international letter rate was 15 cents for each ounce.

Toronto to Paris, February 15, 1972
15 cents international air mail rate

Ste-Anne-De-Bellevue to Haifa, Israel, December 14, 1971
15 cents international air mail letter rate