3 ancient ritual "human mask" beads/pendants, including two jade pieces with "ox-nose" perforations and one carnelian; China, Hongshan Culture, 3500 - 2200 BCE. Ranging in size from: 1.5'' x 1.75'' (4 x 4 cm) to 2'' x 1.5'' (5 x 4 cm). Provenance: Lee and Vichai Chinalai collection.