Ribbed glass bowl late 1st century B.C.-mid 1st century A.D. Roman Translucent pale blue green.Vertical rim with beveled top edge; plain band around top of sides, tapering downwards, then bulging outward before curving in sharply to almost flat bottom.On interior, two concentric grooves around bottom and small, broader circle at center; on exterior, eighty-eight well-defined, short slanting ribs of slightly varying length and width, with tops ground off, arranged around bulging middle section of body.Broken and repaired, with one section of rim miising and some smaller chips elsewhere in rim; some pinprick and a few larger bubbles; pitting, dulling, and iridescent weathering.Rotary grinding marks on plain band around top of sides and on interior.. Ribbed glass bowl 245700