Glass ribbed bowl
Not on view
Translucent blue green.
Vertical rim with rounded top edge; plain band sloping obliquely outward around top of sides, then bulging outward before curving in sharply to flat bottom.
On interior, four concentric grooves: one just below rim, two in a band at junction of side and bottom, and one small, broader circle at center; on exterior, eighty-two short, close-set, and sharply defined vertical ribs of slightly varying length and width, with tops ground off, arranged around the bulging middle section of body.
Intact, but several internal cracks around rim; few bubbles; large areas of iridescent creamy brown weathering.
Rotary grinding marks on plain band around top of sides and on interior.
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