File:Herman Ehrenberg.png

I believe in good faith that this image is a crop of an image which was was either first published in 2016 or it was first published prior to the death of the subject, Herman Ehrenberg, in 1866. Therefore, either

This work was never published prior to January 1, 2003, and is currently in the public domain in the United States because it meets one of the following conditions: its author died before 1954; the death date of its author is not known, and it was created before 1904; it is an anonymous work, a pseudonymous work, or a work made for hire, and it was created before 1904. The above provisions are contained in 17 U.S.C. § 303. See also this page for more information.

or

This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country. Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Herman_Ehrenberg.png

applies.

This image is a crop of an image which was published in 2016 on the web site of the en:Houston Chronicle at Chronicler of Texas Revolution now receiving overdue attention, which is archived at archive.org. The original, uncropped image is avaialble at this direct link, which is also archived at archive.org.