BLOCK THUMBPRINT (AKA)
• AKA:
Block with Thumbprint
• MAKER:
Union Glass Company/Somerville-MA (Company Operated: 1854-1924), Introduced: c1860s Introduced
• NOTE: A very distinctive center element. A ribbed equal length cross shape with outside area surrounded by a pointed parenthesis resulting in a sort of flower appearance.
NOTE: A model was found in the Union Glass factory.
• MOTIFS: Circles/Balls, Medallions/Shields, Squares/Rectangles