Burmese decorated beads BD262
Six decorated cornelian and pumtek bead.
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.
Diamond-shaped pumtek: 16 mm long.