A pink tourmaline 'Double-gourd' pendant, 18th-19th century. Photo Christie's Image Ltd 2014.

The pendant is carved in the form of two double-gourds growing from a vine with three monkeys clambering on it, and a bat to the reverse. The stone is of a vibrant pink tone. 2 ¼ in. (5.6 cm.) high. Estimate £5,000 – £8,000 ($8,405 - $13,448)

Christie's. FINE CHINESE CERAMICS AND WORKS OF ART, 13 May 2014, London, King Street - http://www.christies.com/