See the similar example from the Marquess of Bath's Collection, Longleat, sold in these Rooms on 13th - 14th June 2002, lot 356.
See also Bernard Rackham, Catalogue of English Porcelain Earthenware Enamels etc, Collected by Charles Schreiber, Esq., M.P. and The Lady Charlotte Schreiber, Catalogue, Vol. I, Porcelain (London, 1915), p. 46. no. 259, pl. 34 where a similar box and cover is listed as Chelsea.