The above RFSS tag is a fake. Here is a real one, in a black tunic, I think courtesy of Bob Hritz, in fact.
I shall leave to others a judgment of the cuff title, but my colleague Vady is correct in his negative view.
an RFSS tag in a cap...
3d and final attempt.
Both the Das Reich cuff title and the RFSS authorization tag are post-war copies. The RFSS authorization tag would not be found on cuff titles.
I am seeking Golden Party Badge # 77578, Luftwaffe blue summerweight flight pants, used Geschwader Immelmann officer's cuff title.