Measuring 2 1/2" long by 1/8" wide, this bar pin is item "3752" made by a noted name in jewelry and silver items, William Kerr of Newark, New Jersey. It has a lined surface reminiscent of engine turning. This in turn has a run of rosettes. There is a border with a pattern that looks like stitchery. It is in flawless condition and is fully marked on the backside with the maker's name and model number, along with the word "Sterling."