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<p>[QUOTE=&quot;Robert91791, post: 3107600, member: 95853&quot;]Well, my cousin provided me this quote :</p><p><br /></p><p>&quot;An important application for the binary Cu-Ni alloys is coinage. Because of their tarnish resistance, their colour, their lustre and the ease with which they can be processed to coin blanks with a good surface finish and dimensional accuracy and because of their good response to minting, Cu-Ni alloys are very suitable for coinage. They allow the manufacture of hard coins, accurate in shape and dimensions. Even the finest patterns can be minted with sharp edges. Wear of the embossing is so slight that coins can be circulated for decades without deterioration.&quot; Application</p><p><br /></p><p>Source: Copper.org....[/QUOTE]</p><p><br /></p>

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