Harpoon head (Harpun), Mesolithic, from Trelleborg, Sjaelland, Denmark

Copper alloy harpoon head, a rod with a pointed and barbed point: Ancient Egyptian, Early Dynastic, c.3000-2686 BC

Harpoon head, of barbed bone, secured with sinew, birch bark and resin to a wooden socket, with a line of twisted strands of animal fibre coiled round with cedar bark: North America, Canada, Vancouver Island, Nuu-chah-nulth, late 18th century

Barbed harpoon head, of bone, with line of wrapped sinew attached: North America, Canada, British Columbia, Vancouver Island, Nuu-chah-nulth, late 18th century

Harpoon line, of walrus hide, with two harpoon heads, of bone, copper and stone: North America, Canada, Northwest Territories and Nunavut, Inuit, early - mid 19th century

Harpoon head, with pointed bone tang with two deep cut barbs on one side, and blade of native copper inserted in cleft and fixed with copper rivet: North America, Canada, Northwest Territories, Inuit, early - mid 19th century

Harpoon-head, with leaf-shaped bone point, fixed in cleft by a bone pin: North America, Canada, Northwest Territories, MacKenzie River, Inuit, early - mid 19th century

Harpoon head, of bone, with leaf-shaped point of grey-green stone, fixed in cleft by a bone pin: North America, Canada, Nunavut or Northwest Territories, Inuit, early - mid 19th century