100 Anos
copyright protection duration of 100 years from the death of the author(s)
100 years post mortem auctoris100 years p.m.a.100 years pmaPD-old-100author's death was 100 or more years agodeath date of author was 100 or more years agoauthor died 100 or more years agodate of death of author was 100 or more years ago
