The present models are based on designs of 1778 provided to the factory by John Flaxman and based on designs by the noted French sculptor, Claude-Michel known as Clodion. The ewers were produced into the 20th century in a variety of materials including black basaltes, jasper, caneware and majolica. See Robin Reilly, Wedgwood, 1989, vol I, pp. 408, fig. 556, plates 716, 994 and C182.