Such vibrant colors on this antique German sterling and enamel flower bouquet brooch retailed by Maison Behar Co. and featuring marcasite accents.  The pin weighs 14.5 grams and measures 41mm in length.  It is in good antique condition with some surface wear and areas of enamel loss, marked as shown.  Follow me on Instagram for special deals ;) @mindilynjewelry