The vintage Knapp sport saw with patent number 206369 was made by Pioneer Co. in the United States. This collectible tool is a piece of history in the field of carpentry and woodworking. With its unique design and originality, it appeals to collectors and enthusiasts of vintage tools. The inclusion of the Sheth #da adds to its value and authenticity, making it a sought-after item for those interested in rare and antique woodworking tools.cosmetic wear . See pictures for accuracy and measurements