Offering a vintage Sunbeam-Stewart Top Clipper Blade No. 83AU for the Model 51 Series Clipper.  Research suggests this was designed specifically for animals.  Please flip through all the photos.  Blade measures about 2 7/8' x 1.25".  Weighs about 2 oz without packing materials.  **NOTE:  blade has discoloration, box is worn, torn and stained from years of storage, buying as pictured, as is, issues noted