It's worth one dollar.
No such coin like this exists. In 1999 the only small dollar produced by the US was the Susan B. Anthony dollar which was the same colour and compositon as the quarter. The Sacajawea dollar would first be struck dated 2000. If you indeed have a 1999 Susan B. Anthony coin, it is only worth face value unless in mint packaging.
Anthony dollars were only made in 1979-81 and 1999. Please check your coin again.The last Susan B. Anthony dollar was struck in 1999, with a date of 2001 the coin is a Sacagawea dollar and it's just a dollar.
No such coin exists. Susan B Anthony coins were only struck from 1979-1999, in 2000 the only circulation type dollar was the Sacajawea coin and unless it is a proof coin, the Sacajawea dollar is only worth face value.
8-4-11>>> The 1999 Susan B. Anthony dollar is very common, still in circulation, contains no silver and is face value, unless it's a "P" mintmark Proof coin or a very high grade Mint State coin.
The coin is only face value.
Susan B. Anthony, thus the coin is name the Susan B. Anthony dollar.
a half dollar
The 1979-D Susan B. Anthony dollar is still in circulation today, the coin is face value.
The One Dollar coins from 1979 to 1981 & 1999
No such thing.
I'm assuming you mean the Sacajawea Dollar which is minted in gold-coloured brass (Susan B Anthony dollars were last minted in 1999) it is a common coin struck in brass and not gold and is worth $1.
This coin is often called a Susan B. Anthony dollar because it depicts that 19th-century advocate for womens' rights. Please see the question "What is the value of a 1979 Susan B. Anthony Dollar?"