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May 06, 2010, 06:40 AM
#1
Canadian Pennies???
What years of Canadian pennies or keepers for copper?
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May 06, 2010 06:40 AM
# ADS
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May 06, 2010, 07:26 AM
#2
Re: Canadian Pennies???
Looks like the switched from copper to zinc in '97 and then to steel in 2000.
2000present * 2.35 g 19.05 mm, round 94% steel, 1.5% nickel, 4.5% copper plated zinc
19971999 * 2.25 g 19.05 mm, round 98.4% zinc, 1.6% copper plating
19821996 2.5 g 19.1 mm, 12-sided 98% copper, 1.75% tin, 0.25% zinc
19801981 2.8 g 19.0 mm, round 98% copper, 1.75% tin, 0.25% zinc
19781979 3.24 g 19.05 mm, round 98% copper, 1.75% tin, 0.25% zinc
19421977 3.24 g 19.05 mm, round 98% copper, 0.5% tin, 1.5% zinc
19201941 3.24 g 19.05 mm, round 95.5% copper, 3% tin, 1.5% zinc
18761920 5.67 g 25.4 mm, round 95.5% copper, 3% tin, 1.5% zinc
18581859 4.54 g 25.4 mm, round 95% copper, 4% tin, 1% zinc
"Thinking is the hardest work there is, which is the probable reason so few engage in it." - Henry Ford
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May 06, 2010, 07:40 AM
#3
Re: Canadian Pennies???
 Originally Posted by diggummup
Looks like the switched from copper to zinc in '97 and then to steel in 2000.
2000present * 2.35 g 19.05 mm, round 94% steel, 1.5% nickel, 4.5% copper plated zinc
19971999 * 2.25 g 19.05 mm, round 98.4% zinc, 1.6% copper plating
19821996 2.5 g 19.1 mm, 12-sided 98% copper, 1.75% tin, 0.25% zinc
19801981 2.8 g 19.0 mm, round 98% copper, 1.75% tin, 0.25% zinc
19781979 3.24 g 19.05 mm, round 98% copper, 1.75% tin, 0.25% zinc
19421977 3.24 g 19.05 mm, round 98% copper, 0.5% tin, 1.5% zinc
19201941 3.24 g 19.05 mm, round 95.5% copper, 3% tin, 1.5% zinc
18761920 5.67 g 25.4 mm, round 95.5% copper, 3% tin, 1.5% zinc
18581859 4.54 g 25.4 mm, round 95% copper, 4% tin, 1% zinc
Thank you!
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May 06, 2010, 08:12 AM
#4
Re: Canadian Pennies???
Here's a good reference link to the "Technical Aspects of Canadian Coinage"
http://www.coinscan.com/technical/canasp.html
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