You should or may clean coins when there is presence of corrosion and dirt. But this too, should be advised by a professional since not all kinds of dirt effect to coin devaluation. Corrosion and dirt are usually found on antique coins. Cleaning corroded coins may also be done in incidence...
Oxidation is just the metal’s natural coating it develops to protect it from further corrosion or other damage. Oftentimes, this oxidation takes on the form of very beautiful toning. More and more people in the hobby of coin collecting not only appreciate toning on coins but embrace it—seek...
They are very good for removing surface dirt and to an extent, some corrosion on base metal coins, but it is very easy to take the process too far and damage the coins appearance. Dipping. This can be anything from giving a coin a quick dip in acetone to remove oils and deposits (...
Use a toothpick or extra soft-bristled toothbrush to work off encrusted dirt— Either of these, in combination with warm soapy water, can be useful to pick off dirt or corrosion stuck on your coins. ✦ Soak dirtier coins in a cup ofwhite vinegar— The acid in vinegar is great at disso...
This doesn’t preclude other silver pieces, such as family heirlooms, silverware and service pieces, picture frames, coins, heck even silver bars. I tested a few techniques out but this one seems to be the magic combination. It can be used on all kinds of silver alloys, but cannot be ...
Do not put this off till tomorrow! Do not call your very best friend to tell her exactly what happened. Do this today! Do whatever you can to get out the moisture. It's very important that you take every precaution to secure your house from further corrosion because of mould and ...
they encounter oils and acids from people's hands. This handling turns that bright orange-red into a dull brown, but you can remove the dulled color from the coin's surface. If the environment severely damages a penny, the coin will turn green. Green is an indication of corrosion that yo...
True that this is non-functional plating just to show the kids the color change as a thin and probably non-adherent layer of copper is electroplated onto their coins or keys. Lacquer may help prevent the copper from wearing off, but it is not shrink wrap, so it will not keep non-...
“Patina is of paramount importance for antique collectors,” says The Antique Sage.“First, it serves to protect an antique from further, undesirable corrosion. Second, it can serve as a hallmark of authenticity. Many collectors want their old items to look old. Cleaning them so they look ...
Brass is an alloy (a mixture of metals) made from melting copper with a small amount of zinc (usually 10–40% of the final product). This alloy has become very popular due to its strength, beauty, malleability, resistance to corrosion, and its ability to hold up against extreme temperatur...