License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Miguel Gamborino. Plate 5: four street vendors from Madrid selling sweet albellanitas dulces, alacalienties, tender cuts and a knife grinder, from 'Los Gritos de Madrid' (The Cries of Madrid), 1809–17. The Metropolitan Museum of Art.