Over 930 color photos display marbles of materials other than glass: mineral, stone, clay, crockery, pottery, china, porcelain, cloisonne, gutta-percha, scrimshaw, wood, and metal, banded agates, and hand-painted chinas. Valuable information on marble types, clubs, and meets, as well as online sites, values tables, glossary, bibliography, and appendices. ukryj opis