The Jefferson Glass Company was in existence from 1900 - 1933, first in Steubenville, Ohio and after 1907 in Follansbee, West Virginia. Opalescent patterns were only made during the 1901 - 1907 time-frame. This Many Loops novelty bowl, pattern #247, is a spirograph-like pattern of overlapping loops bordered by a zig-zag threading design. Found in crystal and opalescent colors of white, blue and green. It measures 7 1/2" across and has no cracks, chips or repairs.