This is Vintage (Cast Metal) "Horse Head with Bridle" Part. It is Embossed / Signed "A. S. LEITNER USA" on its Backside.
It has 2 (Metal Pegs on its Backside). It can be used as a (Door Handle), (Drawer / Cabinet Handle), (Hat / Coat Rack Hook), (Bookend Part) and more!
PLEASE NOTE: Since they were Individually Hand Cast and they have slight Finish and Casting Differences / Imperfections.