A jade ceremonial blade (yazhang), Neolithic Period-Erlitou Culture. Photo Sotheby's.

the thin blade with a raised rib down the center, flaring slightly towards the arched cutting edge, the base of the tang set with a pair of projections and drilled with a circular hole, the green jade with some calcification.Length 11 1/2 in., 29.3 cm. Estimation 20,000 — 30,000 USD

Provenance: Drouot Left Bank Paris, 14th December 1979, lot 108.
PROPERTY FROM THE SAM AND MYRNA MYERS COLLECTION

Litterature: Filippo Salviati, Radiant Stones: Archaic Chinese Jades, Hong Kong, 2000, cat. no. 42.

Sotheby's. Fine Chinese Ceramics & Works of Art. New York | 18 Mar 2014, 10:30 AM - www.sothebys.com