The dating of dishes of this type is based on the example inscribed and dated in brown slip 'W.K.1715' illustrated by Leslie B. Grigsby, The Longridge Collection of English Slipware and Delftware, London, 2000, Vol. 1, pp. 92-93, cat. no. S33. A further dish is at Colonial Williamsburg, illustrated by Leslie B. Grigsby, English Slip-Decorated Earthenware at Williamsburg, Williamsburg, 1993, pp. 40-41, no. 46. A third was in the Collection of Louis Marc Solon, sold, his sale, Hanley, Stoke-on-Trent, November 26–28, 1912, no. 76, and is now in the Metropolitan Museum of Art, New York. See also Ronald G. Cooper, English Slipware Dishes 1650-1850, London, 1968, pls. 278-281.