License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Giuliano Giampiccoli. Plate XLIX: Pastoral scene with peasants napping, one resting on a woman under a tree, a soldier approaches at right; from 'Studi di pittura gia dissegnati da Giambatista Piazzetta' after Giovanni Battista Piazzetta, ca. 1725–59. The Metropolitan Museum of Art.