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2. Copper - Wikipedia

   en.wikipedia.org/wiki/Copper

   Copper fittings for soldered plumbing joints A very large copper seal end cap. The major applications of copper are electrical wire (60%), roofing and plumbing (20%), and industrial machinery (15%). Copper is used mostly as a pure metal, but when greater hardness is required, it is put into such alloys as brass and bronze (5% of total use). [28]

3. List of bullion dealers - Wikipedia

   en.wikipedia.org/wiki/List_of_bullion_dealers

   This list of bullion dealers includes notable companies and organizations that deal in precious metals, such as gold and silver. This list is incomplete ; you can help by adding missing items . ( September 2014 )

4. Bullion - Wikipedia

   en.wikipedia.org/wiki/Bullion

   The specifications of bullion are often regulated by market bodies or legislation. In the European Union, the minimum purity for gold to be referred to as "bullion", which is treated as investment gold with regard to taxation, is 99.5% for gold bullion bars and 90% for bullion coins. [2]

5. United States Bullion Depository - Wikipedia

   en.wikipedia.org/wiki/United_States_Bullion...

   U.S. coins produced from 1838 through 1933 were made with 90% gold alloyed with 10% copper, [49] while U.K. crown gold coins were minted with a gold proportion of 22 parts to 24 (91 + 2 ⁄ 3 %). These lower gold ratios contrast to many 99.9% fine gold bullion coins minted in modern times since older coins were intended for circulation while ...

6. Glossary of numismatics - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_numismatics

   A copper-based alloy with tin. bullion Precious metals (platinum, gold and silver) in the form of bars, ingots or plate, or in any context where weight is considered as a valuation. bullion coin Precious metals in the form of coins whose market value is determined by metallic content rather than scarcity. bullion value

7. Precious metal - Wikipedia

   en.wikipedia.org/wiki/Precious_metal

   Bullion coins' minting by national governments gives them some numismatic value in addition to their bullion value, as well as certifying their purity. American Platinum Eagle bullion coin One of the largest bullion coins in the world was the 10,000-dollar Australian Gold Nugget coin minted in Australia, which consists of a full kilogram of 99. ...