This is a lovely antique Unger Brothers sterling silver posy holder stick pin. It is marked "Sterling 925 Fine" and has the "UB" makers mark of Unger Brothers. The posy holder is in very good antique condition, there is rusting to the spring, the pin is not perfectly straight, and the tip of the pin is bent. The pin measures approximately 2 3/4" long and the top piece measures approximately 3/8" by 5/8". It weighs approximately 3.89 grams.