Edwardian Silver Filigree Czechoslovakian Hubble Turquoise Art Glass & Enamel Brooch Pendant Necklace

Stunning antique Edwardian silver filigree oval brooch/pendant.  Czechoslovakian “Hubble” art glass (named for the man who invented it) made to resemble turquoise gemstones, bezel set in the center and surrounded by smaller tiny “seed” art glass bezel set in a flower design with turquoise enameled leaves surrounding it.  Measures 2.5” by 1.5”.  Locking mechanism holds pin closed securely.  No missing stones or enamel, in amazing shape.  Hangs from a textured silver roller chain measuring 20”.