Ribs/Columns;
UNITED STATES GLASS CO. No. 15003 (OMN)
• AKA: Flat Panel; Pleating
United States Glass Company (Pittsburgh-PA, Operated: 1891-1962) , Introduced: 1892
• NOTE: Ref: Bredehoft/Lethbridge May 2017

• Motifs: (Ribs/Columns), (Panels)