Bamboo medicine container and sculpture on Batak cap

Ancient cylindrical medicine container from the Batak tribe of Sumatra Indonesia. Made of bamboo and wood.
Bamboo tube engraved with a depiction of a standing animal from their river forests, with a wooden base and cap, on the cap there is a statue of a man touching his belly and forehead to indicate that the contents were specific for the disease stomachache and headache
Very beautiful unique piece obviously handmade in the early 1900s