Glass ribbed bowl
Translucent blue green.
Slightly outsplayed rim with rounded edge; shallow sides curving in to slightly concave bottom.
On interior, two narrow horizontal grooves in a band at junction of side and bottom, and a small concentric circle at center of bottom; on exterior, twenty-four prominent, almost vertical ribs with angular tops and tapering towards bottom, almost touching at center.
Intact; some pinprick bubbles; slight dulling and weathering.
Rotary grinding marks on interior and on plain horizontal band between rim and ribs on exterior.
The rim of the bowl was finished on a lathe.
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