Len Castle, sulphurous bowl, earthenware with thinly crackle glaze interior and matte black exterior, impressed potter's mark to the base, 17.5 x 45.5 x 44.5 cm. Provenance: purchased from the '27th Annual Arts & Crafts Exhibition', Ron Sang Gallery, 6-7 November 2010, no. 68 (original receipt and exhibition brochure included).