Glass ribbed bowl
Not on view
Translucent cobalt blue.
Slightly outsplayed rounded rim; deep sides with plain band around top, curving in to slightly concave bottom.
On interior, one wide horizontal groove below rim, and two narrow, close-set abraded grooves cut in a band around middle of body; on exterior, twenty-five long, shallow, vertical ribs, tapering downwards and extending to edge of bottom.
Intact, but some internal cracks; pinprick bubbles; dulling, briiliant iridescence, and patches of thick creamy weathering.
Rotary grinding marks on interior and on plain band around top of sides.
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