Swallow Guilloche blue and green vintage sterling silver brooch. Fair wearable antique condition with marked signs of wear. The enamel work is deep and beautiful on the piece. Part of the wing has a large chipped area near the bottom of the brooch. See pictures for full details. 

Acid tests positive for sterling silver. 

Brooch measures 1 and 1/4 of an inch tall and 7/8ths of an inch wide.