Dear readers Numismatica Ranieri in this post we will find out how to clean coins analyzing the best procedure for the different materials with which they are made. We'll show you the techniques to avoid errors and do not get off the price of your rare coins. If you want to evaluate the purchase of rare coins as an investment, we invite you to visit the following sections of our web site: coins, gold investment, online store and auctions of numismatic, where you will certainly find some value opportunities. Good read.
How to clean ancient coins
One of the most common questions that The collectors of the first weapons pose to the merchants, is the cleaning of coins. This practice, which requires the knowledge of some simple notions, is too often implemented with the only result that instead of improving the specimens in the collection, to them it gets worse.
The cleaning should be carried out only when the coin features which disfigure the appearance and the value. Rust, dirt, formations of verdigris, and even the same patinas when you do not have good appearance (smooth, pleasing color) are all elements disfiguring and it is therefore desirable to remove them.First of all, some tips for those who want to operate any form of cleaning on its coins:
- Before proceeding to examples of value should experience the clean up on coins of little account.
- Examine carefully, even concl'aid of a good lens, what we want to remove so as to have a clear idea of the method is to follow.
- Never use abrasive pastes, brushes, iron etc), and before we do an in-depth reflection if the game is worth the candle; in case of doubt, better to desist.
- Prevention is better than cure, says the famous adagio.
Don't forget the coins for a long time, but made regular checks and always use quality products (bags, shelves, albums, etc).
How to clean gold coins
For the cleaning of the gold coins we will be able to try out everything without fear of damaging them, since the blond metal is virtually impervious to acids is common. With the sole exception of aqua regia (a "mix" of acid at the highest concentration, not to be confused with the much more common turpentine, which is a diluent). In any case, to delete what has "attacked" your gold coin can be almost certainly a very simple bathroom with warm soapy water. In case of fail, you can switch to the use of household acids (hydrochloric, sulfuric, phosphoric, etc).
How to clean silver coins:
With regard to the cleaning of the silver coins we can tell you that this material lends itself certainly less of the gold to the use of acids to less resistance to the aggression that these liquids are practicing on the surfaces.
We therefore recommend that a "care" of the lesser violence, and to be practiced always under constant control. In principle, to remove the verdigris that often affect the silver coins – especially those't forget for a long time in plastic bags – we may have a bathroom in citric acid (lemon juice) or, for those who do not have the patience to wait even a few hours, for a brief immersion in liquids suitable as the "Jewel cleaners" or the "Gold & Silver".The more ammonia is a real cure to eliminate this type of foulant, when they are the heavy form, but you have to gear up in a well-ventilated place to mitigate the unpleasant odor of the fumes. The last beach is characterized by sodium bicarbonate, that the strength cleanser combined with that of polishing, much less appreciable.
How to clean copper coins
The copper metal was one of the most delicate treat, but not so much for the relative tenderness of the metal. What is the currency would lose immediately would rather the appearance that the copper the "old" assumes, of course, with the passing of the years. An unrecoverable loss, and in many cases, damaging most of a spot of dirt or verdigris. Then, proceed with the utmost caution, trying to use liquids that are very diluted and "softening" in advance the fouling bagnandola repeatedly with a wad of cotton soaked in oil. To avoid absolutely the pasta and the cotton swabs used to clean copper pots; these systems cause unsightly scratches and give it a color and anything else that is natural.
How to clean coins in aluminum
Coins in aluminum. One of the greatest fears of the collectors of coins in aluminum is the possible formation of the "cancer" of aluminum. To be honest, the possibility is quite remote and generally, this disease affects the specimens that have been forgotten for a long time in unhealthy environments such as high humidity locations. Therefore, many people use a bath in paraffin wax or petroleum jelly, which form a thin insulating layer.Check often, your coins in aluminum and if you have a beginning of cancer (the metal that turns to powder) hurry immediately to the guards by isolating the piece infected before which will spread to the other, providing the following to give him a bath in boiling water, which should stop the cancer.
Conclusions
Hoping to have offered some interesting indication as to how to clean old coins or rare, we are waiting for your valuable comments. We also invite you to write us for any information or further details. The official email address is: info@numismaticaranieri.it