Vintage Artisan Shell Statement Choker

Stunning vintage artisan stacked shell/puka statement choker with mosaic mother of pearl pendant closure. 4 strands of stacked shell/puka beads are 15". Pendant/statement closure is 2" wide. Gold tone back is untested but is not magnetic. Total length of necklace is 17". Unbranded, unsigned, artisan-made, from 1970s/80s. Excellent condition--non broken shells or beads.