Lamp with elaborately moulded bottom: wide base ring, with thin ring outside, 2 rings inside and central button. Straight flaring body, rounded shoulder, narrow sloping rim, plastic ring surrounding deep ... 2nd half 4th c.
Lamp with flat bottom, deep echinoid body, broad low-sloping rim, deep concave disk frmaed by ring and 2 grooves, plain ring surrounding small fill hole; incompletely pierced air hole at edge of disk; ... 2nd c. A.C.
