Cf. F. S. Mackenna, Chelsea, The Gold Anchor Wares (Leigh-on-Sea, 1952), pls. 1 & 2; Gerald Coke, In Search of James Giles (Wingham, 1983), p. 203, pl. 31 a-c.; also Elizabeth Adams, Chelsea Porcelain (London, 2001), fig. 11.1 for a saucer, who considers it not to be the work of Giles ('why add the gold anchor mark?'). See also the E.C.C. Exhibition Catalogue (London, 1948), pl. 52, no. 240 for a similarly painted slop-basin.