Chinese toothpick box, early 19th century

Silver mounts on mother-of-pearl. Five-lug hinged lid with catch. Length 2-7/8". There is a script monogram JSG carved into the mother-of-pearl top, and there is an engraved J Gould on the mother-of-pearl bottom. There also appears to be a Chinese ideogram engraved on the bottom. Overall condition is excellent.