A view of Rotterdam with moored sailing vessels in the harbour, the Laurenskerk, Oude Hoofdpoort and Kruithuis beyond

Another version, signed, on panel, 90 x 153 cm, is in the Maritiem Museum Prins Hendrik, Rotterdam (N. Schadee ed., Rotterdamse Meesters uit de Gouden Eeuw, 1994, p.344); on loan from a private collection.
See colour illustration