This was acquired by my brother-in-law Rick at a yard sale for $3. The seller claimed it to be a "scoop adze".
This is a mystery to me! This tool exhibits the tell tale signs of being made by a blacksmith. It is about 12" long from the hammer face to the end of what the seller said is an adze.
If anyone knows what this is and has some historical data on it please let me know by posting a comment.