DERBY (OMN) wsc
• AKA:
• MAKER: Westmoreland Specialty Company/Grapeville-PA (Company Operated: 1889-1924), Introduced: c1904 Introduced
• NOTE: Sid Lethbridge 2021: Westmoreland made this in crystal, opal (milk white) and turquoise (opaque blue).
• MOTIFS: Panels, Ovals, Ladders/Zippers