PRISM AND FLATTENED SAWTOOTH (AKA) uni
• AKA: Ribbed Pineapple
• Union Glass Company (Somerville-MA, Company Operated: 1854-1924), Introduced: c1850-1860 Introduced
• NOTE: Ref. Welker in 'Pressed Glass in America,' says age and maker unknown. Lee says it was made somewhere in New England.
• Motifs: (Diamonds), (Ribs/Columns), (Flutes)