44 sheets: V. Surbek (5); H.A. Sigg; H. Müller (3); P. Stöckli (2); O. Wiggli; H. Schmid (2); C. Manz (3); S. Sigrist; M. Truninger; F. Opitz; W. Meier; A. Ramseyer; J. Cornu; etc..
Different techniques and sizes.
Annotation:
All sheets signed and some dated and/or numbered. Partially with handling creases and wrinkle. (44).