Set of 6 US Air Force Senior Airman patches

Set of 6 US Air Force Senior Airman patches. Four with blue star and two with green. Two are 4"x 2-1/2, two are 3-1/2" x 2-1/4" and two are 3-3/4" x 2-1/2". Three are in like new condition. The other three have not been used but they have some wear like some loose threads/creasing.