Authentic Buffalo Nickel Coin Button 7/8" USA #SW-31
Genuine 1913-1938 Buffalo Nickel made into a shank button, in Colorado. Because they're from actual old, circulated coins, each will differ a bit, as coins do. The wearing of the coin, variance from coin to coin, substantial thickness and heavy weight makes this a soulful, beautiful button. You can definitely tell the difference between these and replicase, which seem too perfect and consistent.
Domed, 7/8" diameter, shank back. Approx. 7/8". USA. $2.20 each. (We also carry the same button made in reverse; buffalo inside, Indian image showing in front. For that button, click here).
This coin was made from Cupronickel, which per Wikipedia is also known as copper-nickel, and is an alloy of copper that contains nickel and strengthening elements, such as iron and manganese. Despite its high copper content, cupronickel is silver in colour.
Due to the specific properties of nickel and copper alloys, they are applied in various domains of industry e.g. coin and medal minting, armaments manufacture, desalination materials, marine engineering, and extensively used in the chemical, petrochemical and electrical industries.
Cupronickel is highly resistant to corrosion in seawater. For this reason, it is used for piping, heat exchangers and condensers in seawater systems, marine hardware, and sometimes for the propellers, crankshafts and hulls of premium tugboats, fishing boats and other working boats.
Another common use of cupronickel is in silver-coloured modern-circulated coins. A typical mix is 75% copper, 25% nickel (a proportion of 3:1), and a trace amount of manganese. In the past, true silver coins were debased with cupronickel.
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