Roseville Pottery Company was organized in Roseville, Ohio, in 1890. Another plant was opened in Zanesville, Ohio, in 1898. Many types of pottery were made until 1954. Early wares include Sgraffito, Olympic, and Rozane. The Rozane line was Roseville's first line of handmade art pottery and was marked Rozane. Later lines were often made with molded decorations, especially flowers and fruit. Most pieces are marked Roseville. Many reproductions made in China have been offered for sale the past few years.