What is the value of a John Quincy Adams dollar coin?

Answer 1

You are probably referring to the recent gold-colored , but not gold , 1$ US Coins,

They are still worth one-dollar and do have not added collector's value at this time since

they are still in circulation and everybody who wanted one could get one at a local bank.

Answer 2

Unless it's a proof coin in its mint packaging, it's an ordinary circulation coin worth a dollar.

Note that the coin is made of brass and does not contain any gold.

Answer 3

$1, the "gold" presidential dollars do not contain any gold but are made out of brass.

Answer 4

Unless it is a proof coin, made especially for collectors, it is worth its face value of one-dollar.