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