Typical fabric (buff), firing, and surface treatment.
Preservation comment
One large sherd preserves roughly 40% from right top of lamp, including discus and shoulder down to wickhole. Surface in good condition with clean breaks; very rare specks of encrustation.
“KE 39B (Early-Middle Roman Corinthian Lamp).” In Kenchreai Archaeological Archive, edited by J.L. Rife and S. Heath. The American Excavations at Kenchreai, 2013-2024. <http://kenchreai.org/ke/ke0039b>