When Gustav Klimt's painting "Buchenwald" was auctioned off for the record sum of 105 million dollars (104.6 million euros) at Christie's auction house in New York on 9 November 2022 and a total of five dozen works by Klimt, Paul Cézanne, Vincent van Gogh and other artists fetched 1.5 billion dollars, the topic of "art as an investment" was back on the table.