Auction introduction: Sotheby’s is honored to present a single-owner online auction of a selection of works from the Junkunc collection, including jade carvings, early ceramics, porcelains, bronzes and scholar’s objects. One of the most important and well-known collectors of the 20th century, Stephen Junkunc, III (d. 1978), amassed one of the most extensive collections of Chinese porcelain, jade, bronzes, paintings and Buddhist sculptures of exceptional quality in America.