3 9/16" Vandenberg Contracting-Stem made from Franciscan Chert. California. Stermer COA.

3 9/16" Vandenberg Contracting-Stem made from Franciscan Chert. Remnants of the asphaltum used for hafting are present in some areas on the stem. Found by Al A. Allenson during the 1940's in Santa Barbara Co., California. Comes with a Stermer COA.