hard to find early 20th century dance hall ceiling fixture with exceptional acid-etched calcite steuben bowl shade

one of three matching early 20th century antique american oversized three-arm drop-bowl ceiling light fixtures salvaged from an old cleveland dance hall. the fixtures were discovered above a false ceiling during demolition of the building. the two drop-light lobby fixtures were designed and fabricated by or for the cleveland lighting company, cleveland, oh. the fixture consists of a single cast brass arm with socket, three decorative cast brass arms with fanciful brackets for suspending the calcite steuben glass bowl shade with elborate acid-etched design. priced individually.