RIVERSIDE GLASS WORKS No. .73 (OMN) stem by Riverside Glass Works (Wellsburg-WV, Company Operated: 1880-1899), c1887 Introduced
• AKA:
Inverted Thumbprint and Star (Type 3)
NOTE: Original Manufacturer's Name/Number (OMN) Possibly No. 73 Optic Star
Shape: Photo Needed
Contributor: Database Team
Shape: Research Update
Contributor: Sid Lethbridge