This exceptional handmade Antique Deco French sterling brooch features a gorgeous blue enamel swallow bird design with long stretched out wings that are adorned with small marcasite stone in varying sizes. This brooch does show some enamel loss at the base of the head. It weighs 6.9 grams and measures 80mm long. This piece is in good antique condition with some wear and is marked sterling and "depose" which is French for handmade.