Vintage natural black branch order coral necklace, 22 1/2"

A georgeous vintage natural black coral necklace, with long largest is 1-3/4" x 1/4" and shorter pieces are approximately 1/2" x 1/3" beads, it is in its original untouched condition with screw clasp closure. It measures appropriately 22-1/2".
Photos were taken in natural light order both indoors and outside. The necklace is made with natural Black branch coral, it is jet black with mahogany undertones. I took some very close up photos to see the natural color and texture. It us in excellent vintage condition. Undisturbed patina. Please see all 10 photos for details.