1900's Joy Manufacturing Brass Tag Sign Nameplate Coal mining Vtg Loading Machinvintage brass mining tag is a nameplate from a Joy Manufacturing Company coal mining machine. The tag is made of pressed brass and measures approximately 16 inches in length. It was likely attached to a Joy loading machine, which revolutionized 20th century coal mining by replacing manual labor with mechanical loaders. Such tags were often used to identify equipment or track miners underground, as brass does not spark when struck, reducing the risk of