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2. 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. Those that argue in favor of cleaning are also in dispute on which methods work best.

3. Glossary of numismatics - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_numismatics

   This "cleanliness" is a result of the surface of the coin being dissolved by the acid. Dipped coins almost always have a lower numismatic value than when they were in their former "dirty" state, hence most numismatists do not recommend dipping or any other method of cleaning coins as doing so will likely reduce the coin's value. Double Eagle (U ...

4. Coin storage - Wikipedia

   en.wikipedia.org/wiki/Coin_storage

   An 1886-S Gold eagle in a PCGS plastic coin slab A 1/10th troy ounce American Gold Eagle in a cardboard '2x2' flip, secured with staples A coin folder offers no protection from the elements and is likely to damage coins when pressed in or popped out. Coin collectors have various options for storing their coin collections. The various options ...

5. US Presidential Dollar Coins Worth the Most Money — You Could ...

   www.aol.com/us-presidential-dollar-coins-worth...

   As a way of honoring more presidents, the U.S. Mint began issuing Presidential Dollar coins in the 2000s. Most are worth about face value, but a couple are valued in six figures due to errors .

6. How To Clean Enameled Cast Iron To Remove Stains And ... - AOL

   www.aol.com/clean-enameled-cast-iron-remove...

   When cleaning the enameled cast iron routinely after a cooking session or a recipe, remember a few important tips. First, avoid washing the enameled cast iron immediately after cooking in it.

7. Conservation and restoration of silver objects - Wikipedia

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

   Proper handling, storage, and treatment can help prevent deterioration of silver objects. [3] Metals are best conserved when stored in an even and low humidity atmosphere, ideally at 40% relative humidity or lower. [5] Silver tends to corrode easily when stored in damp, moist locations such as a basement because it will accelerate tarnishing.

8. How to properly clean hardwood floors - AOL

   www.aol.com/news/properly-clean-hardwood-floors...

   To find the right way to clean hardwood floors without damaging them, I spoke with multiple cleaning experts for their input and product recommendations.

9. Coin board (collecting) - Wikipedia

   en.wikipedia.org/wiki/Coin_board_(collecting)

   A bold title for the coin series will appear at the top of the board, and the bottom of the face will have publication and copyright information. On some coin boards the bottom of the face will also provide some historical and technical information about the coin series, as well as misguided instructions for cleaning coins. On the most common ...