Yes they are legal tender which means you can spend them.
There are thousands of coins in the US, but if you mean circulation coins, there is the penny, nickel, dime, quarter, half dollar, Native American dollar, and presidential dollar.
About any bank will do this for you. Also Dollar coins are used as change at government machines such as train ticket machines and postage machines where you purchase stamps.
The quarter dollar, the half dollar and all dollar coins.
Quite simply, there were no US dollar coins minted that year.
No US dollar coins were issued in 1809.
Yes, there used to be a gold dollar. There were three designs minted between 1849 and 1889. It was one of the smallest coins the US ever minted.
In Panama you use the US dollar everywhere. Panama's currency is the Balboa which exist in coin form only. The US dollar and coins are commonly used interchangeably. $1Balboa=$1US Dollar.
Not in the US.
The US dollar is 100 cents. The one dollar bill is the primary currency, dollar coins being greatly resisted by the public (Eisenhower dollars are large coins - Sacajawea, Susan B. Anthony, and Presidential brass dollars are too close to a quarter in size). For the value of a US dollar in other World Currencies, see the related link below.
No, there have been many US dollar coins struck before and after 1972. However, the US Mint did make a dollar coin in 1972 (it was the second year for the Eisenhower Dollar)
Please post new question and included the dates of the U.S. dollar coins.
The US dollar is 100 cents. The one dollar bill is the primary currency, dollar coins being greatly resisted by the public (Eisenhower dollars are large coins - Sacajawea, Susan B. Anthony, and Presidential brass dollars are too close to a quarter in size). For the value of a US dollar in other world currencies, see the related link below.