Black Sheen Obsidian Knife Blades -- Lot of 2

Stone Knife Blades in Black Sheen Obsidian, a natural volcanic glass. Well-flaked with a good width to thickness ratio; ready to mount in wood, bone, or antler handles to produce fine collector's knives. No cheap imports here!  Knapped in the USA using percussion and pressure flaking. Measurements are approximate total blade length including tang. Lot of 2 blades, photo of actual blades Blade 1—5¼ x 2¼ x just under ½" Blade 2—6¼ x 2 x ⅜" blades feature unique luster of black sheen obsidian