A Mondrian Work Was Found to Have Been Hung Upside-Down for Over 75 YearsPiet Mondrian: New York City 1, 1941, oil and paper on canvas, 47 by 45 inches. © 2022 Mondrian/Holtzman Trust; Kunstsammlung Nordrhein-Westfalen, Düsseldorf; Photo Walter Klein, Düsseldorf At a press conference on the eve of Mondrian. Evolution, a Piet Mondrian exhibition at Germany’s Kunstsammlung Nordrhein-Westfalen K20 museum, curator Susanne Meyer-Büser announced that the exhibition’s highlig
