Edwardian 10K and seed pearl star brooch/pendant. There is a large hook on the back that can be used to attach to a chain or a garment. Marked "OB 10K." OB stands for Ostby Barton. Measurements are 1.1 inches circumference 2.88 grams weight. The brooch contains 42 seed pearls in its twelve rays and center. In perfect conditional. A great addition to any collection.

NOTE: Ostby and Barton Co. is a jewelry manufacturing company founded in 1879 when Engelhart Cornelius Ostby and Nathan B. Barton formed a partnership. Mr. Ostby trained to be a jeweler at the Royal School of Art in Norway and apprenticed with a jeweler in Oslo.