Barbara Hepworth Mini Print: Tibia GraftMini print depicting Barbara Hepworth's Tibia Graft, 1949, part of the Wakefield Permanent Art Collection, from the Bowness Hepworth Estate. We stock a range of Mini Print Frames to fit this print. Materials: Printed on smooth coated paper stock; 250gsm. Dimensions: 280 x 356mm The Hepworth Wakefield (Wakefield Permanent Art Collection) Copyright: Bowness, Hepworth Estate. Photograph Copyright: Norman Taylor.