Especially when you stumble across someone teaching a "better" method for sorting 1982 cents than simply comparing weights. Just use a knife or file and scrape the edge to see what color metal is underneath. What a great idea.
ay ay ay thats the stupidest thing I heard so far. :headbang: :headbang: :headbang: :headbang: :headbang: :headbang:
or you can just soak them in hydrocloric acid and it will eat the outer covering off so you can tell the difference! :headbang: :headbang: :headbang: :desk: :desk: :desk: :headbang: :headbang: :headbang:
Actually HCl won't react with copper, only zinc, so if there was a small nick in it it would produce a shell of copper.
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