This is a used antique hand held kitchen utensil.  This is hand made food chopper, with blade made from portion of old hand saw, and handle made from two pieces of wood. Wood handle pieces are mounted with two holes through blade, and square nails, inset on one side, and clinched over on the back side.  One side of blade has original saw teeth.   It measures 5-3/4" in height; and is 5-1/4" at widest.   It has a great patina of old use wear.   It is not maker or country of origin marked.  It may need light cleaning, shows some age and use wear.  There are no off odors.