DATE CYPHER FOR 1858, IMPRESSED ANCHOR AND CYPHERS, LISTED AS SHAPE NO. 636

For four and five tiered examples see V. Bergesen, Majolica, British, Continental and American Wares, 1851-1915, London, 1989, p. 23, fig. 12 and J. Jones, Minton, The First Two-Hundred Years of Design and Production, Shrewsbury, 1993, p. 145.