Eastern Sigillata B was an important ceramic ware of the Early Roman East, characterized by a shiny red gloss, micaceous clay body, and, in its first phase, epigraphic stamps on the vessel floor. Production was established in the Great Meander Valley in western Asia Minor as an offshoot of the Italian sigillata industry and flourished primarily in the 1st and 2nd centuries c.e. Vessels excavated at Sardis, some 75 km to the northeast, share the micaceous clay and red gloss of Eastern Sigillata B and are visually almost identical to products of the main production center, but some bear name stamps unique to the site, suggesting that a local production center existed at Sardis. It is now possible to test this proposal through wavelength dispersive X-ray fluorescence analysis and, on this basis, to identify a group of local products. This article describes that process, sketches a portrait of local production, and explores the mechanism and timing of its establishment at Sardis.
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