JLR 4-2020: Format is EByz Aegean (cf. Katsioti 2017, p. 491, nos. AE 15-17) but shoulder decoration is triangles from North African repertoire; also not this is a copy. Check fabric: regional or Asia Minor?
Bibliography
Kenchreai V, p. 73, no. 386, pl. 17 (H. Williams).
“KE 961 (Late Roman Athenian[?] Lamp).” In Kenchreai Archaeological Archive, edited by J.L. Rife and S. Heath. The American Excavations at Kenchreai, 2013-2020. <http://kenchreai.org/ke/ke0961>