Jug ca. 1820 British Mocha ware, also known as dipped ware, refers to a type of useful but refined earthenware turned on a lathe and decorated primarily with colored slip (liquid clay). These practical vessels were made in pottery factories of the Staffordshire region of England beginning in the late eighteenth century. Pieces are usually unmarked and their exact makers unknown. Yet the remarkable variety of decoration attests to the innovations that took place among pottery factories catering to middle class consumers who could not afford more expensive porcelain pieces. This large jug features a lively blue, white, and dark brown decoration known as an "earthworm" pattern that is unique to mocha ware.. Jug. British. ca. 1820. Glazed earthenware with slip decoration. Ceramics-Pottery