License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Remondini. Plate 7 depicting the trades of Rome, here including vendors of books, chestnuts, portraits etc, from the 'Descrición de las artes que se llaman para los calles de la ciudad de Roma', ca. 1770–1800. The Metropolitan Museum of Art.