Marine to return ancient signature seals to Iraq PHILADELPHIA A U-S Marine who brought home seemingly cheap souvenirs from Iraq has turned them over to authorities after learning they are ancient stone seals used as signature stamps.The Marine paid a vendor a few hundred dollars for the eight seals, and had them examined by a university archaeologist upon his return. The seals were looted from an archaeological site near Babylon. They are about five-thousand years old and valued at two-thousand to five-thousand dollars each. U-S soldiers are allowed to bring back souvenirs and trinkets, but Assistant U-S Attorney Bob Goldman...