This is a Hungarian 10 Fillér coin from 1908, issued under the Austro-Hungarian Empire during the reign of Franz Joseph I. The obverse features the Holy Crown of Saint Stephen with the inscription 'MAGYAR KIRÁLYI VÁLTÓPÉNZ' (Hungarian Royal Change Money), while the reverse displays the denomination '10 FILLÉR' within a wreath of wheat and oak with the mintmark 'K·B' (Körmöcbánya/Kremnitz mint). The coin exhibits excellent luster and sharp details consistent with a mint state example.