Jan Porcellis (Ghent c. 1584 - Zoeterwoude-Dorp 1632) attributed Stormy Seascape with Vessels Oil on canvas 73 x 96 cm - Framed 91 x 115 cm. This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution