J1981-J1984a: By Edward Ludwig, Frankfurt am Main J1985: By Max Schwerdfeger, Frankfurt am Main J1986-J1990: By Dorothea Freise J1990a&b: By Irmgard Smidt, Dusseldorf, 1965 J1991-J1994k: Marbling with oil colours J1995-J2001: The Doves Bindery J2000: By McLeish for The Doves Bindery J...