It is possible that it is a preform. They may have had trouble with the steps on the one side when thinning it before it was notched or stemmed. I have found similar items in N. Ala. It may have been used for awhile and discarded if material was plenty. Still a nice artifact.I say this because i have a bucket full and some even have a single notch started and for some reason nothing else was done.
You can see the reduction flakes on the one side and on the other side they started getting those little steps which are hard to get out. They could read a stone and knew when they were past the point of no return.