A late 1700s/early1800s bugbear coquilla  snuff flask. Elaborately and finely carved with military motifs, possibly a Napoleonic soldier. There is a carved women  and another women playing a harp, carved flowers and leaves and birds.
At one end there is a carved humorous face with glass eyes and an opening for a  mouth where the snuff would be accessed from. There is a bone peg being used for a stopper. This piece is very finely made and is in very good condition.
It measures approx 7cm l x 3.5cm w.
 
A bugbear was a folkloric creature, and the term became a playful label for grotesque or humorous carved figures. In treenware, bugbear flasks were usually:
 
Carved from coquilla nut or  boxwood or other fine-grain hardwoods.
Depicting a grotesque or humorous face on one end 
Hollowed inside and used to carry snuff (powdered tobacco).
Often detailed with elaborate carvings like soldiers, animals, or floral designs