Oil/canvas, 51,5 x 72 cm, on the reverse estate stamp as well as signature of Friederike Kayser as well as label with confirmation of authenticity by the widow, Melanie Kayser a. title 'Kran im Hamburger Hafen'. - Painter a. graphic artist, studied at the Munich a. Dresden schools of applied arts, co-founder of the Hamburger Künstlerclub, member of the Hamburg secession, friends with A. Marquet. - Mus.: Hamburg (Kunsthalle, Altonaer Museum, Museum f. Hamburgische Geschichte a. others), Freiburg, Husum. - Lit.: Rump, Der Neue Rump, Vollmer a. others.