This is a 1 1/8" First In War First in Peace Button and measures 1 1/8" in length. The regimental crest is of the 161st Inf. of the 81st Brigade of the Washington National Guard. It is worn on the epaulet of the uniform Class A jacket. It has 3 colors of enameled work that are White, Blue and Red. It measures 1 1/8" in length. It is marked on the back N.S. Meyer New York .