License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Hans Vredeman de Vries. Six terms, four female and two male, with Hercules at far right, plate 1, from Caryatidum [...] sive Athlantidum multiformium ad quemlibet Architecture ordinem Accommodatarum centuria prima [...], ca. 1565. The Metropolitan Museum of Art.