typical jar of the Jemdet Nar style at the end of the uruk period, with distinctive geometric patterns in black an dplum-red paint, From Ur, Jemdet Nasr period, 3000-2900 BCtypical jar of the Jemdet Nar style at the end of the uruk period, with distinctive geometric patterns in black an dplum-red paint, From Ur, Jemdet Nasr period, 3000-2900 BC