VAT rate of 5% is payable on hammer price and at 15% on the buyer's premium
Ring: A.W. Bahr Collection, Weybridge, 1963.
Necklace closing device: Chang Nai-chi Collection.
J.T. Tai & Co., 1963.
Necklace closing device: Archaic Chinese Jades, The University Museum, Philadelphia, February 1940, pl. VI, no. 95.