Eight Reference BOOKS, "The British Imperial Silver Coinage or The English Silver Coinage from 1649" by H.A. Seaby (1957), "The Standard Catalogue of English Milled Coinage in Silver, Copper and Bronze 1662-1972" by G.M. Cope and P.A. Rayner (1975), "The Arthur Negus Guide to British Silver" by B. Inglis (1980), "Miller's Pictures Price Guide 2005" ed. by H. St. Clair (2005), "Antiques and Bygones: Notes for South African Collectors" by D. Godfrey (1967), "Porcelain Marks of the World" by E. Poche (1979), "Miller's Collectables Price Guide 2005" (2005), "100 Years of the Decorative Arts: Victorian, Arts & Crafts, Art Nouveau & Art Deco" by E. Knowles (2000).