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In order to isolate the air, there are generally two methods of protection for gold and silver coins: airtight and vacuum-sealed. Airtightness refers to isolating the air but not extracting the air inside the package. Vacuum sealing puts the packing material in close contact with the surface of the coin, which can damage the coin.
Precious coins should be packaged in a single piece. Gold and silver coins are softer and can be damaged when they rub against each other, and the most prominent parts of the relief are the most easily bruised, so it is best to pack gold and silver coins in a single piece. And before entering the collection, it should be dried and should not be touched by sweaty hands, and the coin cabinet, box, and book should be placed in a dry and dull place to avoid moisture and rust For gold and silver coins, it is generally not advisable to play directly, especially not to touch proof coins, uncirculated coins (UNC) or high-grade coins.
The place where the hand touches the coin must be the first place to corrode and blacken. If you do want to hold a coin, use a clean, soft paper or cloth to separate the edges of the coin. It is best to put desiccant in the place where the gold and silver coins are stored.
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The metal in which coins are minted is corrosion-resistant.
Soak with detergent, then rinse with a soft brush and water.
After washing, wipe dry with a cotton cloth, preferably with a hair dryer.
After determining that there is no moisture, put it into a plastic ziplock bag, pay attention to draining the air, if you want to treasure it, it is best to use the plastic sealing method to make a card, and you can also write something on the back.
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The main thing is to prevent moisture and avoid the acceleration of oxidation; Resistant to wear and tear to avoid damage to the condition.
Now the usual practice of depositing machine-minted silver coins is to wrap the silver coins in facial tissue, and then use a box, about ten or twenty yuan a transparent plastic, and the simple envelope made of paper is very cheap, which can also play some protective role. Once the silver coins are stored, they must be checked frequently to prevent accidental damage.
1) Try not to touch the surface directly with your hands, because sweat stains on your hands will contaminate the surface of the silver coin, it is best to seal the silver coin with sealed plastic, which is also more convenient to watch, and also plays a role in preventing the dust in the air from polluting the surface of the silver coin. Try not to collide as they tend to leave marks on each other.
2) If the silver coin is dirty, it should be slightly washed in warm soapy water, then rinsed with clean water and gently dried with a soft cloth, and finally placed in a dry and ventilated place; Try not to rinse with very light alkaline water and do not brush with a brush. Alkaline ones will easily cause corrosion on the surface of the silver coin.
3) Place color-changing silicone in the storage area of the silver coin, which mainly plays the role of absorbing moisture; When drying, the silicone is blue and turns red when it absorbs moisture. It is best to put it in a safe that is protected against corrosion and moisture.
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[How to remove rust on silver dollars].
1. If the rust on the silver dollar is too heavy, or the surface is blackened, it needs to be cleaned in time. Weak acid is generally used for traditional silver dollar cleaning and rust removal, and white vinegar is ideal, and the length of soaking time depends on the degree of rust and the amount of rust.
After soaking, gently scrub with a soft brush to remove rust stains. For firmly bonded attachments, if brushing with a soft brush does not work, you can use a wooden cone to slowly remove the edge of the silver dollar pattern text until it is clean, remove the attachments on the surface of the silver dollar, and avoid using hard substances such as metal, teeth, and bones, so as not to scratch the surface of the silver dollar and reduce the quality of the silver dollar.
2. Do not use abrasives such as toothpaste when removing rust, and try your best to maintain the original slurry of the silver dollar while removing rust. For some slight rust that does not affect the quality, it is best not to use even weak acid. At present, many silver dollar enthusiasts who do not know much about this are eager to wash the old silver dollars they have worked so hard to collect like a newly issued commemorative coin.
This kind of thankless work completely damaged the warm and elegant beauty of the old silver dollar, and while washing the surface of the ** dollar, the value of the silver dollar was almost "whitewashed".
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How to care for silver dollars:
1. Anti-wear and bumping, because silver coins are made of metal with silver weight, and the hardness of silver is low, especially afraid of bumping, so when appreciating and playing with silver coins, avoid rubbing and bumping with hard objects, so as to avoid destroying the quality of silver coins and reducing the value of silver coins. Nowadays, the usual practice of minting silver coins in maintenance machines is: first use the manuscript file to put the silver on tissue.
The coins are wrapped and then put into a box, which is both moisture-proof and wear-resistant.
In addition, there are boxes on the market that specialize in selling this kind of silver coins, and ** is not expensive. Silver coins are not just placed in a box, and they also need to be checked regularly to prevent accidental damage.
2. Anti-corrosion and moisture-proof, for the storage of gold and silver coins, it should be placed in a dry place. It is best to put it in a safe with anti-corrosion and moisture-proof key beats to avoid excessive oxidation of the surface of the silver coin, and it can be checked and cared for at any time.
The collectible value of the silver dollar:
In addition to its economic value, silver dollars also have a special inheritance value.
Coins represent the official image of a country or a dynasty, and they have a wealth of historical information, including political background, economic background, social form and social aesthetics.
However, due to the issuance and circulation of silver dollars in the period of ups and downs of domestic power, warlord secession, social turmoil, and internal and external difficulties, some precious documents can no longer be found, and many people of insight are needed to join in extensive argumentation and research, which is the hope of the industry, which is the direct embodiment of the inheritance value of silver dollars.
The original and original state of the silver dollar, under the action of the ambient temperature, its revealing metallic texture is lovely, dazzling as a gentleman as gentle and humble, beautiful rust as healing as refreshing, its appreciation of beauty itself has the value of passing on stupidity. <>
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