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2. Stamping (metalworking) - Wikipedia

   en.wikipedia.org/wiki/Stamping_(metalworking)

   Stamping (also known as pressing) is the process of placing flat sheet metal in either blank or coil form into a stamping press where a tool and die surface forms the metal into a net shape. Stamping includes a variety of sheet-metal forming manufacturing processes, such as punching using a machine press or stamping press , blanking, embossing ...

3. Canada 2c Large Queen on laid paper - Wikipedia

   en.wikipedia.org/wiki/Canada_2c_Large_Queen_on...

   The 2¢ Large Queen on laid paper is the rarest postage stamp of Canada. [ citation needed ] Printed in 1868, it was not discovered until 1925, and so far only three have been found, all used. Many more could exist as at least one sheet must have been printed, and possibly many sheets; however, they may all have been destroyed, or lie ...

4. List of most expensive philatelic items - Wikipedia

   en.wikipedia.org/wiki/List_of_most_expensive...

   This is a list of the highest known prices paid for philatelic items, including stamps and covers. The current record price for a single stamp is US$9,480,000 paid for the British Guiana 1c magenta. [1] [2] This list is ordered by consumer price index inflation-adjusted value (in bold) in millions of United States dollars in 2024.

5. Postage stamps and postal history of Canada - Wikipedia

   en.wikipedia.org/wiki/Postage_stamps_and_postal...

   The "Threepenny beaver" stamp of 1851. The postal and philatelic history of Canada concerns postage of the territories which have formed Canada.Before Canadian confederation, the colonies of British Columbia and Vancouver Island, Prince Edward Island, Nova Scotia, New Brunswick and Newfoundland issued stamps in their own names.

6. Stamp mill - Wikipedia

   en.wikipedia.org/wiki/Stamp_mill

   Stamp mills are still in use in Colombia by artisanal miners, powered by electric motors. Eight heads of Cornish stamps powered by a waterwheel A five unit Californian stamp mill once used in Arizona for crushing copper ore. Cornish stamps are stamp mills that were developed in Cornwall for use in tin mining in around 1850. Cornish stamps were ...

7. Canadian definitive postage stamps - Wikipedia

   en.wikipedia.org/wiki/Canadian_definitive...

   Canada Lily 12x12.5, 13x13.5 22 April 1977 4c Hepatica 12x12.5, 13x13.5 22 April 1977 5c Shooting Star 12x12.5, 13x13.5 22 April 1977 10c Sparrow's Egg Lady's Slipper 12x12.5, 13, 13x13.5 6 July 1978 12c Jewelweed 13x13.5 16 August 1979 15c Canada Violet 13x13.5 Flora, medium size [1] 8 August 1977 15c Trembling Aspen 13.5 8 August 1977 20c