The following pictures are of a 50 Reichspfenning. Diameter doesn't match and obviously the weight will not.
3.4 g
20.75-22.30 mm
Can not get a good photo of the obverse
It has reeding all the way around
I can not quite make out the year, but the mint mark is there. A - Berlin
My question is, was the damage done by the mint? If so, was it possibly due to the diameter being incorrect?

Obverse


Reverse


