Penck, A.R. „The laughing devil“ On the stretcher, labels of the Mary Boone Gallery, New York, the Richard Gray Gallery, Chicago, and the exhibition Chicago 1988 (see below) Marshall Frankel, Chicago / Private collection, USA / Private collection, Berlin (since 1994) 300 x 300 cm 118 1/8 x 118 1/8 in. The Marshall Frankel Collection. Chicago, Museum of Contemporary Art, 1988 Acryl auf dünner Leinwand 1984