two dollars
The coin is still only face value as all state quarters are.
The Wisconsin quarter came out in 2004, not 1999. It's worth 25 cents.
From 1892 through 1916, the United States Mint produced the Barber Quarter. The value of a 1914 Barber Quarter is based on its mint state: For example, if the quarter is graded as good, it value is $6.00; however, if its mint state is in extra fine condition, the value is: $65.00.
The great majority of Wisconsin quarters are only worth face value. A small number of them appear to have a extra leaf on the corn stalk. These are worth considerably more; see the Related Question for more information.
Twice its original value
This coin is a state quarter. It is worth face value unless it is in original mint packaging. This coin was not made in 1848.
If you found it in change, 25¢. All state quarters (1999-2008) were minted by the carload and have no extra value when they're in circulated condition
Unless they have an error or in a mint set. No. None of them save for those with errors or die varieties (like the extra leaf Wisconsin quarter) all of them are worth 25 cents. All state quarters are intended for circulation and unless in a mint set, they are only worth face value.
If you got it in change, the coin is still only face value
25 cents, quarter of a dollar.
The Georgia State Quarter has a face value of 25 cents.
State quarters were minted by the carload so anything you find in circulation won't have any extra value. A nice uncirculated one might retail for $2.