Pearl and diamond barrette brooch

An antique barrette model brooch in 750°/°° white gold and yellow gold set in the center with a very fine quality Mabé pearl, diameter 12.3 mm surrounded by an assortment of brilliant-cut diamonds of 1.70 carat and two larger old-cut diamonds for 0.70 carat. Dimensions: (7.0 X 1.8) cm. Gross weight 11.03 grams. Eagle head hallmark