Knife blade of bronze, from Edderton, Highland, Bronze Age

Bronze knife blade, found with a bone stud, bone pin, boar's tusk and seven human teeth, from a cist at Letham, Perth

Small slate triangular serrated knife blade, from Jarlshof, 1000 - 600 BC

Knife blade, forged and ground from steel, Sheffield, England, c. 1880

Iron knife blade with handle; blade broken off flush with socket and remainder has very tip missing, Broch of Gurness, Aikerness, Orkney