"Look at it on a rainy day (The Regentag portfolio)"
The complete portfolio comprising 10 silkscreens in colours with metallic imprints, (K48) signed in ink and numbered 167/300, each with stamped signature and numbered 01665/3000, published by Ars Viva, Zürich 1971-72. Each framed, signed and numbered wooden portfolio box included. 54,6 x 72,3 cm.
Koschatzky 44-53.