Cumner Jones & Co., Boston, Cast Iron Promotional Paperweight

Cumner Jones & Co. distinctive collectible cast iron paperweight with name and location inscribed on it.
 
Cumner Jones & Co., Boston was a company that specialized in making metal buttons, especially brass buttons, for various purposes. They were founded in the late 1800s and operated until the mid-1900s. They were a major supplier of buttons for the Union Army during the American Civil War. They also made buttons for the US Army Engineer Corps during World War I.