This is where luxury ceramics such as red terra sigillata were made. Dioscorides also commented upon the use of "terra sigillata". Pottery found included terra sigillata and Castor ware. The surface of ancient terra sigillata vessels did not require this burnishing or polishing. Much of her work is finished with terra sigillata. African red slip ware (ARS) was the final development of terra sigillata. During these excavations, two fragments of "terra sigillata" vessels were found in the ditch. The most commonly found imported ware was "Terra sigillata". The pottery imports consisted of "terra sigillata", amphorae, glazed pottery, and stamped white pottery. African Red Slip ware (ARS), or African Terra Sigillata, revolutionized the pottery and lamp-making industry. Terra sigillata techniques to prepare the unglazed surface before Bisque firing.