Two Pratt Ware Pot Lids and Bases Depicting British Royalty The bases probably associated, with titles including The Late Prince Consort, 10.5 cm diameter; and H.R.H The Prince of Wales visiting the Tomb of Washington, 10.5 cm diameter. Reference: Clarke, H. G, Under-Glaze Colour Picture Prints on Staffordshire pottery, Courier Press, London, 1949, catalogue numbers 149 and 265. (2)