Koekkoek jr. H. Entering the harbour in a storm, oil on canvas 84,6 x 128,8 cm, signed l.r. and dated 1860> more information
Koekkoek jr. H. On the Vecht, oil on canvas 75 x 86 cm, signed l.l.: 'Jan van Couver' (pseudonym)> more information
Koekkoek jr. H. Sailing vessels in choppy seas, oil on canvas 30 x 45,2 cm, signed l.l.> more information