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 thimble has the Simons Bros maker's mark inside as well as "Priscilla". The pattern on the outside bottom is known as "Egg and Dart". It is marked "Sterling 8 May 31 98" above the pattern. This thimble is in very good condition, there are no punctures, it retains it’s shine nicely, and it is not out of round.