Barbara Hepworth retrospective – and how to buy her art for £75

I'm a little breathless about yesterday's news that a big Barbara Hepworth retrospective is coming to Tate Britain next year. 

I saw Hepworth's work some years ago, in a show at Tate St Ives (in the town so dear to me): the Tate Britain show promises to be very good indeed, but the Cornish branch was possibly the most spectacular building in which to view her curvaceous, earthy work – and not