OK Guys, managed to google it out myself.
It's a one-side pfennig from County Oettingen, year 15(25), ruler Karl Wolfgang, Lud. XV., Martin u. Lud. XIV. 1522-1529
similar coin from a year later
Ã-ttingen, Grafschaft Karl Wolfgang, Lud. XV., Martin u. Lud. XIV. 1522-1529. Einseitiger Pfennig 1526
