Discus Iconography: Plain discus.
Description: Biconvex body. Inward-sloping discus with large central filling-hole, separated from shoulder by a circular groove. Lug on left side, a feature unknown on "Ephesus lamps" but common on Greek and Hellenistic lamps of various types. Long nozzle with a triangular tip, as on "Ephesus lamps"; bulging underside. Raised base-ring, well detached from the basin; in center, raised disc with a small circle surrounding a bulging roundel.