It is an official document or a work transferred to public property (art. 3);
It is a work of applied arts and 25 years have elapsed since the end of the year in which it was created (art. 20-3). Images published before 1992 are PD based on the former copyright law (DOC) (English translation);
It is another kind of work and 50 years have elapsed since the death of its author (art. 20-1).
To uploader: Please provide where the image was first published and who created it.