…I became a keen collector before organising an exhibition containing 50 of her works last September,’ explains McCaffrey. ‘The reaction from the museum world was extraordinary. A combination of factors has seen her prices rise spectacularly. Nevertheless they remain ridiculously low compared to other male Italian artists from the same period, like Piero Manzoni,’ adds the New York dealer who is presenting some of her works at the Basel fair, priced at between $80,000 and $1 million.