Lamp with concave low disk base, straight flaring body curving up to broad, sloping rim, deeply concave disk offset by ridge and groove, small off-center fill hole, tiny slit air-hole at base of nozzle ... 1st c. A.C.
Lamp with low base ring, concave bottom; globular body curving continuously in to deeply concave disk surrounded by raised ring, central fill hole. Start of volute nozzle (?); vertical strap handle on ... Middle Roman
