If you mean a Nevada state quarter, value is 25 cents
A 2006-W American Eagle bullion gold coin is worth in an uncirculated state: $90.00; should this coin be in a proof state, its value is: $125.
between 400 and 1200 dollars. This is a centennial coin authorized 1 dollar silver coin made from Nevada ore. There were approximately 2600 coins made for the celebration. The coin has a minuteman and an American soldier facing the Liberty bell on opposite sides and they are standing on clouds.
Unless it's a proof coin, just face value.
About $60
The 5 Dollar American Eagle coin regardless of date is a 1/10th oz Gold Bullion coin and as I type this the value is $108.10 The value of any gold bullion coin follows the spot price of gold.
August 24, 2009 The 2006 Jefferson nickel is a circulating coin and as such has a circulated value of five cents. In mid-range uncirculated condition this coin has a value from About 25 cents to about $5 depending upon the actual condition of the coin.
If it's dated 2006, that makes it a euro coin, and it's worth face value. In US dollars, it converts to 2.6 cents.
Gold plating a coin only changes its value because of the amount of gold on it which is usually very little. It is of no numismatic value to U.S. coin collectors because it is an altered coin.
It's value is based on the one ounce of gold it contains -- currently about $900
The 2006s 10 coin proof set has a retail value of $31.00 issue price was $16.95
Such a coin does not exist. The Tuatara was featured on the reverse of the New Zealand 5 cent coin which was withdrawn from circulation and demonetised in 2006.