O'HARA GLASS CO. LTD. No. 500 (OMN)
• AKA: Column Block; Panel and Star
• MAKER: O'Hara Glass Company LTD/Pittsburgh-PA (Company Operated: 1875-1891), Introduced: 1884 Introduced

• NOTE:
• MOTIFS: Fine Cut, Squares/Rectangles, Xs/X in box