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2. Conservation and restoration of silver objects - Wikipedia

   en.wikipedia.org/wiki/Conservation_and...

   Silver is a precious metal that has been mined for use as early as 4000 BC in Anatolia (Modern Turkey). [1] Because silver is malleable and durable it has been used for many purposes which include jewelry, tableware, ornaments, coins, musical instruments and movie film.

3. Coin cleaning - Wikipedia

   en.wikipedia.org/wiki/Coin_cleaning

   Coin cleaning is the controversial process of removing undesirable substances from a coin's surface in order to make it more attractive to potential buyers. The subject is disputed among the numismatic community whether cleaning coins is necessary.

4. Conservation and restoration of metals - Wikipedia

   en.wikipedia.org/wiki/Conservation_and...

   Derveni krater, bronze, 350 BC, height: 90.5 cm (35 1 ⁄ 2 in.), Inv. B1, Archaeological Museum of Thessaloniki, after cleaning and conservation. Conservation and restoration of metals is the activity devoted to the protection and preservation of historical (religious, artistic, technical and ethnographic) and archaeological objects made partly or entirely of metal.

5. Not Sure What To Do With Your Old Coins or Bills? Let These 3 ...

   www.aol.com/finance/not-sure-old-coins-bills...

   Not all old coins or dollar bills are unique, but some could be worth thousands of dollars. And if you do have old currency lying around, it doesn't hurt to check and see what it's worth. Check ...

6. Americans Literally Throw Money Away — How Care for Your ...

   www.aol.com/missing-money-stashing-away-coins...

   If you put 50 coins in the bank, you passed on about $500 in silver value,” he said. “A quick call to your local coin dealer can save you hundreds or thousands.”

7. Experts Explain How To Assess Whether Your Old Coins or Bills ...

   www.aol.com/experts-explain-assess-whether-old...

   Coin collecting, sometimes called numismatics, can be more than a hobby for some. It can be a money-making investment. The same goes for collecting, saving or reselling old paper money. Learn: 5 ...

8. Conservation and restoration of copper-based objects

   en.wikipedia.org/wiki/Conservation_and...

   Production in the Old Copper Complex in Michigan and Wisconsin is dated between 6000 and 3000 BC. [8] [9] Natural bronze, a type of copper made from ores rich in silicon, arsenic, and (rarely) tin, came into general use in the Balkans around 5500 BC. Previously the only tool made of copper had been the awl, used for punching holes in leather ...

9. Conservation and restoration of shipwreck artifacts - Wikipedia

   en.wikipedia.org/wiki/Conservation_and...

   When it comes to the conservation, preservation and the restoration of shipwreck artifacts, physical force is a major concern. Agents of physical force are consistently present throughout the entire processes of conserving and preserving shipwreck artifacts.