With signature H W Mesdag. Ships at sea, maroufle 21x29 cm. The work has been submitted to the RKD. They let us know the following: "Based on the photos sent, we believe that the painting is most likely not by Hendrik Willem Mesdag". The work comes from private ownership and was purchased as genuine at a renowned auction in the years 1975/1980. With this description we indicate that we do not guarantee the authenticity, but do not exclude the authenticity.