Willem van Leen, Painted wallpaper depicting flowers in vase, still life wallpaper painting painting material linen oil painting, Room decoration room adornment Possible niche piece arched upright; no list signed Wm van Leen ft. 1806 (bottom right) Empire Rotterdam City center Stadsdriehoek Schiedamsedijk According to Boijmans 1892 annual report from house on Schiedamse Dijk transferred into two niches of the vestibule..