Up for sale is a zoomorphic Atlatl Weight made of blue slate. The artifact is typical of zoomorphic Atlatl Weights here in the San Francisco Bay Area.

The Atlatl Weight has pop out wing and an eye on one side. This is one of several I have found that represent insects.

The artifact was found in Livermore California on private property

I included  picture charts of zoomorphic Atlatl Weights