Definitions
from The Century Dictionary.
- noun Same as
niccolite .
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) Niccolite.
Etymologies
Sorry, no etymologies found.
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Examples
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· 1860 Brilliant Gem Proof-A lovely copper-nickel proof.
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Additionally, an 1866 Indian Cent struck in a copper-nickel alloy sold for $2300.
Queller Collection of Coin Patterns Sells for $8.36 Million (Part 3 of 3) : Coin Collecting News 2009
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From 1965 through 1970, and again in 1976 for the Bicentennial, 40 percent silver Kennedy halves were made in a silver-copper clad composition, and from 1971 forward in the same copper-nickel clad composition used for the dime and quarter since 1965.
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Thousands of business strike copper-nickel Indian Head cents have been certified, including a very few prooflike specimens.
Indian Head Cent, Copper-Nickel, 1860-1864 : Coin Guide 2008
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Early 1864 bronze cents had the rounded tip of the bust as on the copper-nickel issues, but later coins for 1864 and all subsequent years have a pointed bust tip and a small L (for Longacre, sometimes hard to see because of wear) in the lower part of the smaller ribbon to the back.
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For copper-nickel coins displaying carbon spots, proper conservation can remove both the contaminants and the resulting spots.
The Effect of Carbon Spots on Copper-Nickel Coins : Coin Collecting News 2010
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For these reasons, copper-nickel coins that undergo removal of carbon spots will typically have their toning removed as well during the conservation process.
The Effect of Carbon Spots on Copper-Nickel Coins : Coin Collecting News 2010
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Cents with both copper-nickel and bronze were produced in 1864, but nearly three times more of the new bronze cents were made.
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The highly reactive nature of copper as a metal will often lead to their formation, but US copper-nickel coins as well as other copper-nickel coins from around the world are also quite susceptible.
The Effect of Carbon Spots on Copper-Nickel Coins : Coin Collecting News 2010
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All copper-nickel Indian Head cents were produced in Philadelphia; no mintmark is displayed.
Indian Head Cent, Copper-Nickel, 1860-1864 : Coin Guide 2008
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