Vintage 1930s Czech glass high quality necklace, art deco, lariat, crystal, blue and frosted glass

Vintage 1930s Czech style art deco glass necklace. Beautiful flat paneled, linked chain with chased design. White frosted prong set glass pieces alternating with clear blue glass pieces set high quality off the main blue glass panel. Spring ring closure.
The necklace measures 16" when fully opened.
No maker's mark.
Excellent vintage condition.