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Bronze Penny

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uncle al's Avatar
Canada
311 Posts
 Posted 12/13/2010  10:19 pm Show Profile   Bookmark this topic Add uncle al to your friends list Get a Link to this Message Number of Subscribers
I was going through some of my sets, and looking at the composition of the penny when some of the information sheets showed the penny as Bronze, while the newer sets shows them as cupro/nicket or steel core pennies. My question is are the pennies in the sets really Bronze or are they copper and just called Bronze? This is from a 1991 Uncirculated 6 coin set in blue leatherette case.

Bronze-Penny
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Sap's Avatar
Australia
16830 Posts
 Posted 12/13/2010  11:12 pm  Show Profile   Bookmark this reply Add Sap to your friends list Get a Link to this Reply
Pure 100% copper was phased out from the coinage of most countries by the late 1800s, replaced with bronze (which is typically 95% copper, 3% tin, 2% zinc). People call them "copper cents", but technically they're bronze.
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dialog_gvf's Avatar
Canada
1581 Posts
 Posted 12/14/2010  11:30 pm  Show Profile   Bookmark this reply Add dialog_gvf to your friends list Get a Link to this Reply

Bronze is copper and tin. Brass is copper an zinc.

Until 1952, the penny had more tin than zinc. But after that (until the switch to copper-plated zinc in 1997) the predominant alloyed metal was zinc (0.98 copper/0.005 tin/0.015 zinc), which is more like red brass. But, it was always 95%-98% copper with both tin and zinc.

I never quite figured out why it was called bronze.
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cazzuey's Avatar
Canada
367 Posts
 Posted 12/15/2010  6:11 pm  Show Profile   Bookmark this reply Add cazzuey to your friends list Get a Link to this Reply
I got the same set but the frontenac one. Love that quarter, eh?
Valued Member
Canada
75 Posts
 Posted 01/12/2011  5:43 pm  Show Profile   Bookmark this reply Add flipcoin to your friends list Get a Link to this Reply
i like the ship myself even though the quarter is worth more.?
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