Czechoslovakian Blue Hubble Art Glass & Enamel Brass Filigree Necklace

Gorgeous 1910-1920 Art Nouveau Czechoslovakian brass filigree necklace.  Bezel set turquoise blue Czech Hubble art glass cabochon.  Set in a brass stamped and embossed multi layer setting with a beautiful and detailed filigree and floral designs.  Further embellished with a sky blue enamel on certain areas.  Interesting brass chain with floral embossed brass box clasp.