Gelbe und violette Iris. 1960.
Lithograph in colors with light yellow plate tone.
Wingler/Welz 528. Signed and numbered 28/85. On wove paper by BFK Rives (with watermark). 60 x 39,5 cm (23,6 x 15,5 in). Sheet: 65 x 50,3 cm (25,6 x 19,8 in).
The watercolor. which was used for the lithograph, was made in 1960. Printed by J. E. Wolfensberger, Zurich. Published by Grafos-Verlag, Vaduz 1980, for the 'Verband Deutscher Ärzte' (art collectors' circle). [KH].