Please rephrase question. The term "you mil" doesn't have any meaning related to coins.
There many places where one can find information on US coin values. One can find this information from online websites such as Coin Study. One may also be able to get an idea on US coin values by viewing US coins on eBay.
'2,000 colones' is 4 dollars and '2,000 mil colones' is 4,000 dollars.
The U.S. does not issue "Tallar" coins.
To find out about the American Gold eagle one can visit websites such as All about birds, or their local library for books on birds. For information on the coin one can visit the US mint website or Wikipedia where both have pictures of the coin.
One example would be a 2012 US penny. For the most part, any coin that you find in your pocket change is of little value.
All US coins state a denomination (ie: Ten Dollars, etc.) If your coin does not state its face value, it is not a coin minted by the US Government.
PCH: A mill The smallest circulating coin ever struck was 1/2 cent, from 1793 to 1857.The "mill" or "mil" was proposed as a basic denomination equal to 0.1¢ but was never used for much more than tax calculations.
On the "heads" side of US coinage there is a date, that tells you when the coin was made.
NKO Navy Mil is the website for members of the US Navy. There are a variety of resources for service members, but there are no reviews of the site's resources.
.mil is a "military" Internet domain reserved for the US Department of Defense.
One Eurofighter Typhoon costs GB£68.9 million, €77.7 mil., US$122.5 mil. (2008 Unit Production Cost)
How much could you get for 1000 mil pesetas in us dollars?