Multi-Chain Vintage Aurora Borealis Necklace

Lovely vintage necklace with three graduating strands of plastic Aurora Borealis beads.  Late 1950's - early 1960's.  Necklace is adjustable with extender chain.  Good condition, subtle patina.  

Approximate Measurements:  

Necklace: 16-1/2"L

Drop of Beads: 4-1/2"