The Rookwood Pottery Company was established in Cincinnati Ohio in 1879. While early pieces were hand decorated, pieces after 1900 are said to be "production" pieces. The beauty in these later pieces often comes from the shape and design of the mold rather than hand-painted art work. Most Rookwood pieces are marked with the the reverse "RP". This mark originated in 1886. A "flame" was added (radiating out from the RP mark) for each year up until 1900...