In 1886, Rookwood began using a reverse RP logo. A flame was added around the logo each year to mark the date the piece was produced. In 1901, the company began using Roman numerals to date its pottery.
In 1887 ceramic artist Kataro Shirayamadani began decorating Rookwood. His work represents some of the company's most valuable pieces. A piece decorated by Shirayamadani sold at Cincinnati Art Galleries in 2004 for $350,750.
Rookwood’s pastel pieces are more common, and less artistic than work of Shirayamadani and other artists. They are still widely collected and many examples easily sell for good sums. Rookwood faience tiles are also valued by collectors.