Do you have detecting metals hobby? Have you found old coins? I'm sure you have found those things.
Some people think ugly coins are worthless. They don't think that those coins are a precious artifact. A coin may tell everything. The older the coin means the more expensive its price. That is why you need to read this article to get the more understanding about valuable coins.
To know the price you need to look at the details on it. The first thing to see is coin dealer on your neighborhood. Bring your coin there then they will help you to see the value of your findings.
If you want to clean you coins you need to read the tips below.
The first that you need to prepare is Baking soda. It can be used to clean old silver coins. Pour baking soda on the water a spoonful baking soda with 50 ml water stir well. Then, you can plunge the coin for few seconds then brush it with toothbrush. It will clean the smudge on coin.
You can clean your coin using white cleaner. You can pour the vinegar in a bottle then plunge the coins into the bottle. Put the cap on then you can shake the bottle. Leave it all night long. In the morning you can put the coin out then wash it with water till you get it pure.
This is another tip to clean your pennies. You can do it with ammonia. Fill a small bottle with ammonia add it with your silver and gold. Put the cap on then leave it for a few hours. When you open the cap, put the gold and silver out. You need to wipe them with soft cloth. This method gives the best result for gold. You can also clean your silver coins with ammonia but then you need to clean it again with baking soda and toothbrush.