Bidspirit auction | vintage Ordnance Survey map -

vintage Ordnance Survey map - Edinburgh & Lanark - A one-inch-to-the-mile topographical sheet covering a region of Scotland, likely from the early 20th century.  These maps were produced by the British Ordnance Survey and were used for both civilian navigation and military planning.  Such maps typically provide detailed topographic information, including contour lines for relief, roads, rivers, and settlements.