Possibly by Jacob Weber (active c.1637-1665).
The donor, Hans Sturtzenegger, is shown as a standard-bearer in full armour, wearing the insignia of commander-in-chief of the mercenary force which he recruited from foreign service. His wife offers him a goblet.
Upper part: The siege of a castle.
Inscription: Standard bearer Hans Sturtzenegger and Elisabeth Klauser his lawful wife.
Inv. No. 1984/3/2 On loan from the Victoria & Albert Museum (V&A 9058-1863).