RIVERSIDE GLASS WORKS No. 73 (OMN)
• AKA: Inverted Thumbprint and Star (Type 3)
• MAKER: Riverside Glass Works/Wellsburg-WV (Company Operated: 1880-1899), Introduced: c1887 Introduced
• NOTE: Original Manufacturer's Name/Number (OMN) Possibly No. 73 Optic Star
• MOTIFS: Stars/Rosettes/Hobstars, Circles/Balls, Optics