Ribs/Columns;
DUNCAN, GEORGE & SONS No. ..10 (OMN)
• AKA:
United States Glass Company (Pittsburgh-PA, Operated: 1891-1962) , Introduced: c1890
• Note: Later found in U.S. Glass Catalog as No. 10.
• Motifs: (Ribs/Columns), (Swirls/Spirals)