Len Castle, Rare bottle form, stoneware with dark umber pigmented surface, a band of impressed circular design around the neck, mid 1960s, fired at Tawini Road, impressed potter's cypher to base, 36.5 x 7 x 15 cm, Note: A similar example illustrated in Len Castle, Making the Molecules Dance (Lopdell House Gallery, 2008), p. 215.