Gustav Klimt, ‘Embracing Couple’ 1913. Pen and ink on simile Japan paper. Image courtesy Galerie St. Etienne

Gustav Klimt, 'Embracing Couple' 1913. Pen and ink on simile Japan paper. Image courtesy Galerie St. Etienne

Gustav Klimt, ‘Embracing Couple’ 1913. Pen and ink on simile Japan paper. Image courtesy Galerie St. Etienne