For format see e.g. Waldhauer 1914, pp. 15, 54, no. 387, pl. XXXVIII (Hermitage; from Kertsch); Agora VII, p. 72, nos. 4, 6, pl. 1 (import dated late 1st century B.C./early 1st century A.D.; J. Perlzweig).
One sherd preserves ca. 15% from upper back part of lamp, including small part of discus and rim and upper handle. Slight, extensive abrasion and sparse pitting; wrong breaks; thin patches of encrustation.
“KE 1178 (Early Roman Corinthian Imitative Lamp).” In Kenchreai Archaeological Archive, edited by J.L. Rife and S. Heath. The American Excavations at Kenchreai, 2013-2021. <http://kenchreai.org/ke/ke1178>