Glass ribbed bowl
Translucent blue green.
Plain rounded rim; sides curving in to slightly uneven, flat bottom.
On exterior, fourteen prominent, almost vertical ribs with flattened angular tops, tapering downwards and extending in vestigal form on bottom, with vertical tooling indents flanking some of ribs.
Intact; a few pinprick and larger bubbles; dulling on interior and around top of exterior, and very faint weathering.
Rotary grinding marks on interior.
Bluish ribbed cup.
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