In addition to enthusiasts buying gold and silver commemorative coins, some people will have it. For example, employees with excellent work will receive custom gold and silver coins from the company as rewards; custom gold and silver coins will be given as gifts by friends when they are happy; The company will receive custom gold and silver coins from customers and so on.
Since it has been given custom gold and silver coins from others, it must be well collected and maintained. After all, gold and silver souvenir coin are not only commemorative, but also preserve value and increase efficiency.
So, how should we maintain custom gold and silver coins?
First of all, we must fully understand the characteristics of custom gold and silver coins. Custom gold and silver coins are usually made of pure gold or sterling silver. Gold and silver are very soft metals with excellent elongation and good oxidation resistance. However, due to the advanced mirror and sand blasting process, the mirror part of the coin is very flat and bright, so it can not be rubbed.
Secondly, the custom gold and silver commemorative coins must not be wiped with solid objects, and can not be polished with toothpaste as described in some books. They can only be cleaned with liquid detergent and rinsed with pure water. Some methods of maintenance and cleaning of coins can only be used for the maintenance and cleaning of ancient coins and modern silver dollars, and cannot be used on custom gold and silver coins. Custom military pin badge supplier organized the following methods of gold and silver coin maintenance:
Custom Metal Coin
The precautions for custom gold and silver coins can be summarized as the following points:
First, do not touch by hand, the sweat on the hand will make the surface of the custom gold and silver coins quickly age;
Second, do not place near acid or alkaline or corrosive objects;
Third, put it in a dry place, do not put it in a place where it is easy to tide;
Four, do not touch sharp objects;
Fifth, avoid direct light;
Sixth, separate the air if necessary;
Seven, Ensure that there is no impurity or dirt in the storage environment, such as dust;
Eight, if you must take hard enamel metal coin out, please wrap it in soft paper, or wear disposable gloves, and make sure there is not too much sweat on your hands.
Nine, mainly touch hard objects and prevent falling to the ground.
Many collectors don't know much about the characteristics of custom gold and silver coins. They inadvertently ruined some coins due to improper play and handling. Therefore, friends who have customized gold and silver coins can do some homework and learn to collect and keep gold and silver coins. I hope I can help you!