Vintage Handmade Bead Necklace 29"

This appears to be a handmade beaded necklace with 4 different shapes of beads in colors of brown clay, stone and white. Not sure of the materials of the beads or of what they are strung onto. They feel like clay. Unique find. The necklace is approx 29" long Vintage from the late 60's early 70's