Antique Charles Horner Art Nouveau Turquoise Enamel & Sterling Silver Lavalier Necklace

Antique Lavalier Necklace by Charles Horner
Turquoise Blue Green Enamel on Sterling Silver
Necklace measures 17 inch (42cm) 
Pendant 3 inches (7.5cm)
In very good condition, it is beautiful
Stamped to reverse however segmented and illegible