This Montenegrin work is in the public domain because its copyright expired pursuant to the Yugoslav Copyright Act of 1978 which provided for copyright term of the life of the author plus 50 years, respectively 25 years for photograph or a work of applied art (details). This applies to works already in the public domain on or before December 29, 2004 when a new copyright act became valid.
The work meets one of the following criteria:
a) a work of known authorship and the author died before January 1, 1954
b) an anonymous work and it was published before January 1, 1954
c) a photograph or a work of applied art published before January 1, 1973
Note that other works enter the public domain 70 years after the author's death or 70 years after publication if the work was published anonymously. If this is the case please use {{PD-old-70}}.