Been an AFCA member for almost 30 years. I, personally, have never seen this fan in anyones collection or know of another. No switch but runs great. RARE Antique Vintage Electric Fan KNAPP 10 Brass Blade & Cage Tab Foot Working. You can read the ad in Kurt House Fan Book also. The item “RARE Antique Vintage Electric Fan KNAPP 10 Brass Blade & Cage Tab ca. 1915″ is in sale since Saturday, April 6, 2019. This item is in the category “Collectibles\Kitchen & Home\Electric Fans”. The seller is “mechantiques” and is located in Tampa, Florida. This item can be shipped to United States.