I am assuming you are asking about a modern coin and want to exchange it for an American coin. The answer depends on the exchange rate between the foreign currency and the American. Many banks won't/can't take foreign coins for exchanged. If you asking about an older coin to sell you would have to take it to someone who knows about the value. Value depends on shape, year, and materials of the coin.
A 1965 Venezuelan steel coin is not likely to be worth much more than its face value. If it proves to be in excellent condition and has rare stampings of some sort, it could be worth considerably more, but most coins from that era don't have any real collector's value.
cleopatra coins are very rare in america so they are currently worth 50 dollars
As at 18:00 on 07-Nov-2011, 0.50 EUR is worth about $0.69 USD.
How much ancient coins are worth depends on where they are from and in what condition they are. It also depends on how rare they are.
They are bullion coins and are worth only what the metals they are composed of are worth.
It depends on what coins they are.
The yellow coins are worth 1, the red coins are worth 2, and the blue coins are worth 3.
25 cents. They are not rare coins and not worth more than face unless in uncirculated or proof condition.
Venezuelan bolivar
Now its 100 coins and silver is worth 200 coins.
1 yocash = 100 coins
The IKE Large size Dollar coins are worth $1.00 each. Some coin dealers will pay 1.05 to 1.10 each, if in nice condition. Special coins issued by the Mint for Collectors in special packaging are worth more.