Bottle 10th-11th century China Named after a prefecture in Hebei Province in north China, Ding wares were made from the eighth to the thirteenth or fourteenth century, and were popular at the Northern Song (960-1127) court. The shape of this base, which most likely derives from a silver piece, is extraordinarily difficult to make because the neck is so long and slender.. Bottle. China. 10th-11th century. Porcelain with ivory glaze (Ding ware). Northern Song dynasty (960-1127). Ceramics