3 Chinese Ritual Stone Objects, Hongshang Culture, 3500 - 2200 BCE, including what appears to be a green jade dagger. Sizes: 1) 3'' x 8'' (8 x 20 cm); 2) 5'' x 3'' (13 x 8 cm); 3) 4.75'' x 3.75'' (12 x 10 cm). Provenance: Lee and Vichai Chinalai collection.