Tottenham’s strategies have changed over the years and this summer’s transfer splurge marks a sharp turn away from the Levy years A couple of weeks ago, Sotheby’s in London concluded one of its biggest art auctions. In all, the sale of 25 modern and contemporary works raised almost £300m. Seated Nude With Necklace, by Modigliani, went for £41.5m; La Belle Promenade, by Magritte, went for £13.5m. And amid all the feverish commentary on the resilience of the London art market and the enduring appe