A CHINESE YELLOW JADE BI, A JADE MANDARIN DUCK AND TWO JADEITE ITEMS QING DYNASTY The bi carved with the zodiac animals and the eight trigrams, the mandarin duck on a lotus leaf, a pendant carved with lotus, and an uncut seal with a lion dog finial, one with a wood stand, 7cm. (5) Provenance: from the collection of Brian Tisdall (1934-2008) and Christa Tisdall (1936-88) who lived in Hong Kong from the early 1960s until 1987. Their collection was mostly formed in Hong Kong in the 1970s, they were advised by James C Y Watt and Brian McElney. James C Y Watt is a well known expert in early Chinese jades; Brian McElney is a renowned collector and connoisseur who founded the Museum of East Asian Art, Bath.