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2. How to invest in copper? 5 ways to buy and sell it - AOL

   www.aol.com/finance/invest-copper-5-ways-buy...

   1. Copper bullion. You can purchase copper bullion just as you would gold bullion, buying it as coins or even bars. You’ll have the enjoyment of holding it and looking at it, but this form of ...

3. Bullion - Wikipedia

   en.wikipedia.org/wiki/Bullion

   Bullion. Bullion is non-ferrous metal that has been refined to a high standard of elemental purity. The term is ordinarily applied to bulk metal used in the production of coins and especially to precious metals such as gold and silver. It comes from the Anglo-Norman term for a melting-house where metal was refined, and earlier from French ...

4. Coinage metals - Wikipedia

   en.wikipedia.org/wiki/Coinage_metals

   The coinage metals comprise those metallic chemical elements and alloys which have been used to mint coins. Historically, most coinage metals are from the three nonradioactive members of group 11 of the periodic table: copper, silver and gold. Copper is usually augmented with tin or other metals to form bronze.

5. List of named alloys - Wikipedia

   en.wikipedia.org/wiki/List_of_named_alloys

   Corinthian bronze (gold, silver) Cunife (nickel, iron) Cupronickel (nickel) CuSil (silver) Cymbal alloys (tin) Devarda's alloy (aluminium, zinc) Hepatizon (gold, silver) Manganin (manganese, nickel) Melchior (nickel); high corrosion resistance, used in marine applications in condenser tubes.

6. Double Your Money Selling Old Pennies by the Pound

   www.aol.com/news/2012-12-05-copper-pennies-old...

   Currently, auctions are asking between $2 and $3 per pound for quantities of 10 to 25 pounds of coins. One auction featured 100,000 pennies -- weighing about 680 pounds -- that sold for $1,500 ...

7. Beginner’s Guide to Copper Investing - AOL

   www.aol.com/news/beginner-guide-copper-investing...

   Copper is experiencing a resurgence in demand, particularly in the industrial sector. It is a versatile metal used heavily in home building, electronics, electrical conductivity, automobiles and ...