Found on the easel in his studio at the time of his death, a captivating depiction of a nude figure by Gustav Klimt explores a new approach to colour and form, resulting in a masterpiece by an artist at the height of his powers. After a ten-minute bidding battle between four clients on the phones and in the room, the painting was sold by Sotheby’s for £85.3 million, setting a new auction record for a...