Bronze Knife Blade. Luristan, 10th-9th Century B.C. . Bronze Knife Blade. Luristan, 10th=9th Century B.C. Double edged straight blade with central ridge and flat diamond cross-section and short tang. Moorey.40 cf. 4.5. Olive brown patina, tang broken short at the attachment hole, else intact and choice. Value Range $150-$200.