The release at fortepan.hu is CC-BY-SA-3.0. As the photographer is unknown or pseudonymous, and the photograph is 85 years old, it is considered public domain both in the country of publication, Hungary, and the USA where Wikimedia Commons is hosted. See Fortepan.HU for more information on related uploads.
This work is in the public domain in the United States because it meets three requirements:
it was first published outside the United States (and not published in the U.S. within 30 days),
it was first published before 1 March 1989 without copyright notice or before 1964 without copyright renewal or before the source country established copyright relations with the United States,
it was in the public domain in its home country (匈牙利) on the URAA date (1 January 1996).