Oblong six bands pumtek BD198
Decorated elongated barrel-shaped fossil palmwood bead of the pumtek type.
Pyu city-states/Tircul, Burma.
For details about this type of beads, here is a Jamey Allen essay about Burmese ancient beads.
Here is an interesting page on the Pyu of Burma the Pyu of Burma and a general assessment of the ancient beads of Burma.
Circa first millennium CE.
21 mm long x 8 mm diameter.