KP Brehmer, Rohstoffpreise für Gold Monats-Höchst und Tiefstkurse Index Juli 78 [Raw Material Prices for Gold Monthly High and Lowest Share Prices July 1978 Index], 1980. Gold lacquer, pencil, collage on graph paper, 59.5 x 42 cm. Courtesy the Estate of KP Brehmer, Berlin

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