Iván Pólya (1889-1939) - Ritratto di uomo

The painting you showed is commonly identified by the generic title Portrait of a Man (or Portrait of a Man).
Because of the resemblance to facial features found in other of his documented works, some experts and catalogs also associate it with the self-portraits category of the Hungarian artist Iván Pólya.
Pólya was known for often portraying himself or figures of rural life in a realist style, emphasizing the character and traditional costumes of the era.