License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Niccolò Cavalli. Copy in reverse of an old woman with a rosary and a boy counting coins; plate 10 from 'Icones ad vivum expressae' after Giovanni Battista Piazzetta, ca. 1750–90. The Metropolitan Museum of Art.