Akkad period

Contest frieze with lion and bull; human-headed bull and lion

between 2340 B.C. and 2150 B.C.
black serpentine
Morgan Seal 158

Contest frieze with lion and hero wearing headdress and kilt; hero in fillet, swathed kilt, and shoes with upturned toes attacking lion

between 2340 B.C. and 2150 B.C.
green serpentine
Morgan Seal 166

Contest frieze with lion attacking antelope clasped by hero, second antelope behind hero

between 2340 B.C. and 2150 B.C.
shell
Morgan Seal 138

Contest frieze with lion attacking one of two antelopes grasped by flat-capped hero

between 2340 B.C. and 2150 B.C.
black limestone
Morgan Seal 137

Contest frieze with lion, antelope, and hero with feather crown; bull and lion

between 2340 B.C. and 2150 B.C.
greenish-black serpentine mottled with olive-buff
Morgan Seal 171

Contest frieze with lions, bull-man, and mouflon; hero placing foot on mouflon

between 2340 B.C. and 2150 B.C.
shell (corroded)
Morgan Seal 142

Contest frieze with nude bearded hero and human-headed bull; bull-man and lion

between 2340 B.C. and 2150 B.C.
black serpentine
Morgan Seal 155

Contest frieze with nude bearded hero and human-headed bull; hero, bull, lion, and bull-man

between 2340 B.C. and 2150 B.C.
shell (corroded)
Morgan Seal 141

Contest frieze with nude bearded hero and human-headed bulls

between 2340 B.C. and 2150 B.C.
black serpentine
Morgan Seal 153

Contest frieze with nude bearded hero and human-headed bulls; feather-crowned hero, bull, lion, and bull-man

between 2340 B.C. and 2150 B.C.
shell
Morgan Seal 147