Vintage Black Silk Formal Tuxacco Bow Tie Woven solid black silk in a self-tie slim butterfly style bow tie. 100% Silk, RN 67094, Made in the USA by Tuxacco, Inc. of Bristol, Pennsylvania. About 2.25" at widest. Adjustable with metal hook and slide from size 13 1/2 to 17 3/4 to a length of 36.25" U.S.Pat. numbers 2125716 - 2308026, issued to Claire Goldenberh in 1938 and 1940 for the adjustment design. Vintage silk bow tie in very good, clean condition ; minor signs of wear - some wrinkling - in knot area. Please see photos for details, photos were taken outside in natural sunlight.