A TIBETO CHINESE GILT-BRONZE FIGURE OF A FORM OF GUANYIN, seated in vajrasana on a lotus throne, wearing bodhisattva ornaments, eight arms radiating, the upper hands in namaskaramudra, the other hands in karanamudra, face with downcast expression, and surmounted by a five-leaf crown and a high three-tiered chignon, resealed, late 18th Century