License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Anonymous, French, 17th century. Proof impression with Corrections and Instructions of a Print celebrating the Union and Lineage of Eriprand de la Tour with the Comtesse de Valsasine, 17th century. The Metropolitan Museum of Art.