NATIONAL GLASS CO. No. .318 (OMN)
National Glass Company (Royal Works) (Marietta-OH, Operated: 1899-1903), Introduced: 1901
• NOTE: Shards were reported at the IT&G Works site so the mould may have been moved between plants.
NOTE: ID from James Measell "Greentown Glass A Collectors Guide" pg.176-O and pg. 215
• Motifs: (Fans), (Octagon)