Necklace at yellow gold and sapphires

Necklace in yellow gold 18 carats and sapphires composed of 5 triangular plates decorated with daisy petals, each with a synthetic sapphire cabochon at its heart. The plates are alternated with six 2 mm-diameter fine pearls. Necklace antique, Art Nouveau, circa 1900, France. 

Eagle head hallmark and goldsmith's hallmark ES