Lot Essay
This appears to be a clever conversion from a tourmaline belt-buckle, retaining the two button-clasps on the reverse. Belt buckles of this type are known in tourmaline from the Qianlong period, and conversions were a regular occurance in the production of snuff bottles when either old damaged pieces could be recycled, or a favorite object, such as a jade pebble carving, might be turned into a snuff bottle.