My best guess is $2, because there are so many of them, and it would need to be in a really high state of uncirculated, for it to be worth anything more.
I'm not really sure what a star note is but it's serial number is: c00011825a and the other is: k18324395a they dont sound to speacial....
Standard Guide to Small-Size U.S. Paper Money 1928 to Date by John Schwartz and Scott Lindquist indicates about $6-8 for CH CU quality.