Beautiful style Humboldt Concave Base - South Oregon. Very slight blade curve. Ex. C.L. Pugh.

Beautiful style and material color on this Humboldt Concave Base found in South Oregon. Was once glued to a board. Made from beautiful two-tone Grey and Black Obsidian. Very slight blade curve. Ex. C.L. Pugh Museum. From the collection of Ted and Theresa Siri.