Yellow Mexican Onyx Necklace With Tribal Facial Pendant 30" Total Length Vintage

Yellow Mexican Onyx Necklace with Tribal Face Pendant 30" Total Length Vintage - Necklace measures 27", pendant measures approximately 3".  Features 1 1/2" length tubular beads with round beads in between - unique piece. Weighs approximately 4.2 ounces.  In very good pre-owned vintage condition - please refer to photos. Cross-posted.