DERBY (OMN) wsc
• AKA:
• Westmoreland Specialty Company (Grapeville-PA, Co. 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)