Glenboig A1 12
— 24/07/2024Found by Gary Hibberd near Penicuik. Glenboig Union Fireclay Company, Glenboig, Lanarkshire. Alternative brickworks include: Glenboig Star Fireclay Works, Glenboig, Lanarkshire. Glenboig Fireclay Works, (Old Works) Glenboig, Lanarkshire