According to: Moumni, Ridha (2020). "Archaeology and Cultural Policy in Ottoman Tunisia Part I: Muhammad Khaznadar (1865–70)". Muqarnas 37: 265–289. Brill. DOI:10.1163/22118993-00371P10. ISSN 0732-2992. "Fig. 3. Anonymous, Mustafa Khaznadar and His Son Muhammad, circa 1855. Oil on canvas, 82 × 131 cm. Tunis Institut National du Patrimoine, collection Qsar es-Saïd, inv. no. 46-07-28-83."

If the unknown artist was 30 when painting it, that would mean they were born 200 years ago, and thus are statistically likely to have died more than 100 years ago. Tunisia copyright law expires after 50 years from the death of the creator if known, or 50 years from publication if anonymous.

This work was first published in Tunisia and is now in the public domain because its copyright protection has expired by virtue of the Law No. 94-36 of February 24, 1994, on Literary and Artistic Property, enacted 1994, amended 2009 (more details). The work meets one of the following criteria: It is an anonymous work or pseudonymous work and 50 years have passed since the date of its publication (or creation, whatever date is the latest) It is a photographic work, and 50 years have passed since the date of its creation It is another kind of work, and 50 years have passed since the year of death of the author (or last surviving author) It is one of "official texts of legislative, administrative or legal nature and their official translations" Before July 5, 2009, a photographic work was protected for 25 years. Pictures created before July 5, 1984 have already been placed into the public domain. العربية ∙ Deutsch ∙ English ∙ français ∙ +/−