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Jewelry Tips: A warning–some silver isn’t silver at all. “Nickel silver” (also known as German silver or alpaca silver, along with a few other trade names) is any alloy of copper with nickel or zinc, and sometimes antimony, tin, lead or cadmium. It is silver tone, not silver alloy, and was a low-priced silver substitute in the 19th Century, mostly as a base layer for silver-plating. Because some of these metals are toxic, its use is now heavily restricted. In the US, the principal use of nickel silver is the nickel (5-cent coins are 750/250 copper/nickel). By law, these alloys cannot be marketed in the US as silver.
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