No VAT will be charged on the hammer price, but VAT at 15% will be added to the buyer's premium which is invoiced on a VAT inclusive basis.
For the original painting, see M.S. Robinson, The Paintings of the Willem van de Veldes, National Maritime Museum, London, 1990, vol. 2, (illustrated on front cover), no. 317, pp. 1044-45 (also illustrated).