58 sheets: C. Duss; H.A. Sigg; R. Wehrlin; M. Truninger; R. Moser (11); O. Lubitch (6); E. Burckhardt-Blum (5); F. Schaffner (2); R. de Vries; W. Hellmann; E. Blenk; C. Stocker; P. Mathey; G. Matter; E. Früh etc.
Different techniques and sizes.
Annotation:
43 sheets signed or signed with the monogram and partially dated. Some sheets with handling creases. (58).