16 Pułk Ułanów Wielkopolskich im.gen.dyw.Gustawa Orlicz-Dreszera (Bydgoszcz) wz. 1925. Probably copy, it is badly visible on a photo
It is a post war copy. Also, Unger was not a known maker of this badge.
PS Welcome to the forum Dzianis!
All thoughts and opinions expressed are those of my own and should not be mistaken for medical and/or legal advice.
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Thanks A.J. Zawadzki. It is a copy of engraver Panasjuk. Regards,
FYI This badge sold at auction for $136 USD plus auction fees. What do these badges cost when sold by the Polish engraver A. Panasiuk?