US Coins are made at a mint. There are 4 mints in operation. Philadelphia, Denver, San Francisco and West Point. Only Philadelphia and Denver make coins for circulation. San Francisco makes proof coins sold to collectors and investors only.
West Point. Makes special coins that are sold to the public. These coins usually celebrate an anniversary of a important event that happened in the US. They also make gold and silver bullion coins.
A Mint
Ebay can be a good place to sell coins. If you don't want to do that take it to a coin collector.
There is no monetary exchange place that will give you anything for your world coins. The only way you can quickly get U.S. money for them is to find a coin shop and see what they will pay.
On a US coin it's the mint mark of the West Point Mint. Normally West Point only manufactures special collectors' coins such as commemoratives and bullion pieces, but in 1996 it struck Roosevelt dimes for the coin's 50th anniversary. Be careful to distinguish the W mint mark from the same letter on Mercury dimes and Walking Liberty halves. On these coins it's the monogram of their designer, A. A. Weinman. In any case they were struck decades before the West Point Mint was opened.
Assuming you mean "Which coins must you have if you have 30 coins that add to $1.09 c", there are a large variet of possibilities that largely depend of the country the coins come from. This is because different countries have different denominations of coins.
Franklin Mint manufactures commemorative items. In this case, the coins would not be useful as currency.
The United States Mint, which is a part of the US Department of the Treasury.
A place that manufactures paper.
A factory.
a store
If you are asking about who manufactures coins and notes in the UK, the answer is that the Royal Mint makes the coins and De La Rue prints the bank notes.
factory
The Canadian Mint is responsible for the circulation of all of Canada's coins. In addition the Canadian Mint also manufactures circulation coins on behalf of other nations.
A place that manufactures goods to be sold is called a factory. Many places have there goods made somewhere else and the finished product delivered to them.
To help the nation's manufactures.
It's a market!
chloroplasts