Please look at the coin again, the last US gold one dollar coin was struck in 1889, post new question.
If the coin is golden and slightly larger than a quarter, and says 1974-1977, then it's a dollar coin from 2016, and it's worth one dollar.
The bicentennial dollar coin is still worth one dollar.
a ten cent piece is smaller.
One dollar.
The bicentennial dollar coin is still worth one dollar.
The US struck a gold and silver one dollar coin in 1878, post new question as to type of coin.
One dollar.
Sorry no 2000 dollar gold pieces were ever struck, it's just a dollar coin that looks like gold spend it.
What you presumably have is a James Buchanan presidential dollar coin. It was minted in 2010 and is worth one dollar.
One dollar.
One dollar.