Like all modern $1 bills, a 1999 US $1 bill is worth one dollar.
If your question is asking if it's worth more than one dollar to a collector, these bills have no added value unless they're in the best possible uncirculated condition.
$20
no because 20 dollars and one dollar are worth different money so that's why.
100
It's worth exactly two dollars.
A $2 bill IS American money, just not a very common denomination. If its date is 1976 or later, it's only worth $2.
$20
$20
about $11
20
It's still worth one dollar.
no
There is no such thing as an Irish four dollar bill, so it is not worth anything.
It's worth $20.
no because 20 dollars and one dollar are worth different money so that's why.
Confederate money is worthless.
$2
alot