Snake necklace assembled from disparate elements from different periods of time...1900's France, 1970's USA.  The snakes body forms the necklace and closes in on itself. To remove, unscrew the head piece. A large navette shaped rock crystal egg dangles from the snake's paste set head. Necklace total length 20". Egg 1.75" x 1.25".  Assemblage Leslie Chin.