The Eagle was a $10 gold coin used as legal tender in the United States before 1933.
eagle
a gold coin
it depends what the year is and what the grade of the coin is.
500 dollars
The gold coin you are talking about is a "Centenario" and it is worth about $1,200 dollars (or 785 Euros).
A 1848 five dollar coin is worth about 1,600 dollars to about 2,100 dollars. A 1848 five dollar coin has been auctioned for over 71,000 dollars.
About $2.00
If you mean one of the Sacagawea dollars or a Presidential dollar the date is on the edge of the coin and its not gold.
310$
1000 dollars
It is worth 100 dollars now.
I've seen them as low as 25 dollars.