File:Estava planejado violento golpe contra o atual regimen.jpg

This photo, movie, sound recording or work of applied art finished by December 31, 1935 (and not published in the U.S. within 30 days) is public domain both in Brazil and United States because it was first published in Brazil and entered the public domain 60 years after creation. The protection term of 60 years was the effective one, according to art. 45 Lei 5988/1973. It was already public domain when legislation changed in 1998 and remains so according to art 5, XXXVI, Constituição da República Federativa do Brasil de 1988. Lei 5988/1973 was also the effective law on the URAA date (January 1, 1996).

This photograph is in the public domain in Brazil because it was created there before 19 June 1998 and, according to the 1973 Brazilian copyright law, is not considered to be an artistic creation. This applies to documentary photographs in general (commercial or not), as well as non-artistic photographic portraits. See here for some guidance on this.