The 6th Commonwealth Mining and Metallurgical Congress was held across Canada from September 8 to October 9, 1957. The Canada Post Office Department recognized the event with the the use of a slogan cancellation at about a dozen post offices as well as the release of a 5 cent stamp on September 5, 1957.
This article is organized as follows:
1. Slogan Cancellations
2. Mining Stamp
a) First Day Covers
b) Usages
3. Congress Attendee Mail
1. Slogan Cancellations
St. John's Newfoundland, October 8, 1957
English Slogan:
COMMONWEALTH MINING CONGRESS CANADA SEPT. 8 - OCT. 9
Montreal, September 30, 1957
French Slogan:
CONGRES MINIER DU COMMONWEALTH CANADA 8 SEPT. - 9 OCT.
Montreal, September 9, 1957
English Slogan
2. Mining Stamp
a) Models and Essays
National Archives of Canada
National Archives of Canada
National Archives of Canada
National Archives of Canada
b) First Day Covers
b) Usages
Domestic Forward Letter
Cap-de-la Madeleine to Montreal, October 15, 1957
5 cents forward letter rate
St. John's to Nipper's Harbour, October 8, 1957
5 cents forward letter rate
Mining slogan cancellation
Montreal to Waterloo, November 26, 1957
Quebec Liquor Commission perfin
Quebec Liquor Commission
Peterborough to Toronto, October 16, 1957
5 cents forward letter rate + 10 cents special delivery fee
US Surface Letter
Winnipeg to Chicago, October 3, 1957
5 cents surface letter rate
Bass River to Chicago, September 9, 1957
5 cents surface letter rate + 20 cents registration fee
UPU Surface Letter
Montreal to Riesa a. Elbe, September 9, 1957
6 cents UPU surface letter rate
International Air Mail
Batawa to Calcutta, December 6, 1957
25 cents one-half ounce air mail rate to Asia
3. Congress Attendee Mail
Royal York Hotel Toronto to Westonaria, South Africa, September 25, 1957
25 cents air mail rate to Africa
Mr. Bryant, from the gold mining city of Westonaria, was an attendee of the Commonwealth Mining Congress in Toronto.