Categories KNOEBEL, IMI multiples IMI KNOEBEL, Untitled, 1989 [Keilramen] Post author By admin Post date 12/09/2012 IMI KNOEBEL, Untitled, 1968 – 1989 30 x 30 x 2 cm stretcher frame, wood numbered, signed in initials, dated edition 1000 € 500,- plus registered mail