Simons Bros of Philadelphia, PA was started in 1839 by George Washington Simons, at that time, they were manufacturers of gold and silver thimbles and pencil cases. The company grew rapidly from there, expanding to include many gold and silver items. This is a large, sturdy thimble. It has a dark patina which could be polished away if desired. The hallmark is present in the top of the thimble. There are no punctures, it is very slightly out of round.