The work is composed of the monograph by Jan van der Marck, "Baj" and the plastic multiple "Cravatta" produced in 3000 unsigned and unnumbered copies, 56x30 cm, intended, in part, to accompany some copies of the publication, in special edition. Achille Mauri Editore, Milan. On the first page he presents an autographed drawing of the artist and dedicates it to the author Jan Van der Marck and his wife Ingeborg. Thanks to Roberta Cerini Baj for the help and confirming the authenticity of the work.