Canada

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Canada, some older coins.

The first provincial coinage for Canada was issued in 1858/59, replacing the earlier officially issued tokens and bank tokens by the provinces.

1) 1 Cent 1896
2) 5 Cents 1922, the 5 cent originally being struck in silver it was changed to Nickel in 1922 due to it's small size.
3) 25 cents 1872, struck by Ralph Heaton & Co. in Birmingham UK
4) 50 Cents 1910
5) 50 Cents 1957, with the coat of arms on the reverse.
6) 20 Cents, 1904 issued for Newfoundland, the last British colony to join the Canadian Federation in 1949

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Canada, Some modern commemoratives.

No shortage of these 

Top
1) 5 Cents 1945  'Victory', struck in chromium plated steel
2) 5 Cents 2005 '50th anniversary of the end of world war II', replicating the 1945 design.
3) 5 Cents 1951, Nickel bi-centennial, 200 years since the discovery of Nickel.
4) 5 Cents 2002, Queen Elizabeth II Golden Jubilee, the date was moved to the obverse.

Middle,
5) 25 Cents 1992, British Columbia, Centennial 125 series -125th anniversary of the Confederation of Canada.
6) 25 Cents 1999, Milennium commemorative, a different version was produced for each month of 1999 and 2000.
7) 25 Cents 2006, Brest Cancer awareness, with printed logo
8 ) 25 Cents 2008, for the winter olypics 2010 in Toronto, number 8 in a series of 15, issued over 4 years.

Bottom,
9) 50 Cents 1967, Centennial of the Canadian federation.
10) 50 Cents 2002, Queen Elizabeth II Jubilee - an attempt to make a circulating 50 cent
11) 1 Dollar 2009 to commemorate the centennial of the Montreal profesional hockey team, distributed for circulation by Metro grocery stores in Montreal....

A complete list of 25 cent commemorative designs can be found here,
Wikipedia

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Canada, a modern type set.

All dated 2004.

1) 1 Cent - Maple leaf, designed by George Kruger-Gray (1937)
2)  Cent - Beaver, designed by George Kruger-Gray (1937)
3) 10 Cents - Bluenose Schooner designed by Emmanuel Hahn (1937)
4) 25 Cents - Caribou designed by Emmanuel Hahn (1937)
5) 50 Cents - Coat of Arms designed by Thomas Shingles (1959, updated in 1997)
6) 1 Dollar - Loon designed by Robert Ralph Carmichael (1987) - made in Aureate Steel
7) 2 Dollars - Polar Bear by Brent Townsend (1996)