This work is not covered by copyright.
This work was first published in Hungary in 1943 or before, and the identity of the author cannot be determined. According to the Hungarian copyright act of 1999 31. § (3): In the event the person of the author is unknown, the term of protection shall be seventy years and shall be counted from the first day of the year following the first disclosure of the work. For explanation of PD status in the US see the template description page.
Important: "the author is unknown" is NOT the same as "I don't know who the author is". You have to provide a reason why you think no one else can know it; otherwise the image shall be deleted.