License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Jeremias Wachsmuth. Suggestion for the Decoration of Lower Right and Top Right of a Framel, plate 1 from an Untitled Series with Rocailles Ornaments for Window, Pier Glass and Door Frames, printed ca. 1750–56. The Metropolitan Museum of Art.