Engraved blade of triangular section, from Culloden Moor

Blade inlaid with gold, from Gairloch, Ross-shire

Blade

Diamond-sectioned dagger blade with a flattened ricasso just below the tang, from Flotterstone Reservoir, Midlothian

One of two scythe blades, both broken, mounted on long wooden handles, from Dumfries

One of two scythe blades, both broken, mounted on long wooden handles

Blade of flint (Flintflække), Neolithic, from Sondersted, Sjaelland, Denmark

Blade of flint (Flintflække), Neolithic, from Sondersted, Sjaelland, Denmark

Bronze blade from Carlochan Cairn, Chapelerne, Crossmichael

Bronze blade, probably from Switzerland

Crescentic bronze tanged razor from a hoard from Adabrock, Lewis, Late Bronze Age, 950 - 750 BC

Crescentic bronze tanged razor from a hoard from Adabrock, Lewis, Late Bronze Age, 950 - 750 BC

Crescentic bronze tanged razor blade from a hoard from Adabrock, Lewis, Late Bronze Age, 950 - 750 BC

Blade of pitchstone, from Pitnacree cairn, Perth and Kinross

Blade of flint, from Achnacreebeag chambered cairn, Benderloch, Argyll and Bute

Leaf-shaped blade of bronze with midrib on each face, from Shuttlefield, Lockerbie, Dumfries and Galloway, Middle Bronze Age, 1500 - 1200 BC