Generally only a small amount more than the value of a non-star note of the same date and denomination.
There's more information at the Related Link, below.
The collector value for a $1 star note is usually only about two to three dollars.
It seems that any note with a Star is worth a little more than face value. Especialy if it is an older note. The best place to shop for prices is on Ebay.
In two years, the value of 10,000 dollars with 3.78 interest would be 10,770.29 dollars. An increase 770.29 dollars would be realized.
The star indicates it's a note printed to replace one that was damaged during the printing process. While some "star notes" can be moderately valuable, modern $20 bills are so common that the star may add only a couple of dollars at most.
0 Dollars and 2.35 Cents...
5 dollars
100 dollars
$400-$500 Dollars
A 100 star notes value can vary depending on the series date. However no matter what it will be worth more than 100 dollars.
13.2 million dollars
The collector value for a $1 star note is usually only about two to three dollars.
In decent condition, it has a collector value of a few dollars.
Two to three dollars.
30-40 dollars more than the face value
This depends on the condition. If it is circulated, likely face value ($1). If uncirculated anywhere from 3 to 10 dollars or so
If it was printed in the last couple of years then it is only worth a few dollars over face value if you can find someone who needs it.
Star notes have a small but fervent collecting fraternity. New ones might retail for a couple of dollars above face value, or a bit more if it's crisp and unfolded.