John Livermore is the earliest of five eminent potters who worked at the Wrotham pottery. Dated pieces range from 1612 to 1639 and Livermore died in 1658.
For another similar tyg by John Livermore from the collection of the National Museum of Liverpool see, Jayne Semple, 'The Potteries of Wrotham Manor 1283-1600', English Ceramic Circle Transactions, Vol. 20, Part II, 2008, p. 423, fig. 2.