i found a few hundreds and a few fiftys that are star notes they are avrg circulated are they realy worth anything.
That would depend on the series year and where FRB they came from. If you can post the series dates and the full serial numbers, we might be able to give you a better answer. Even better, if you would post pics.
the most important aspect of 'guessing' a grade of a note is... pics since condition is paramount to value - if not pics, then serial, date or series, and district number .... otherwise, we arer shooting in the dark