License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Stefano della Bella. Plan and view of the siege of Arras: lower part of the plate with a topographical view with troops in the foreground descending a hill, upper part of the plate with a view of the town, 1641. The Metropolitan Museum of Art.