License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Stefano da Verona (Stefano di Giovanni d'Arbosio di Francia). Three Standing Figures (recto); Seated Woman and a Male Hermit in Half-length (verso), 1435–38. The Metropolitan Museum of Art.