Regulation US Cavalry enlisted man's shell jacket of dark blue wool trimmed with yellow worsted wool tape.  Complete with twelve button front, two buttons on each side of standing collar, two buttons at each cuff, and two pillows present at lower rear of the jacket. General service eagle buttons appear to be original with backmarks of Scovill Manufacturing and Horstmann. Tan cotton body lining and white cotton sleeve lining. Marked within the right sleeve is a stamp "3X."  Left sleeve with size "3" and stamp "SA" indicating Schuykill Arsenal of Philadelphia. Black paint stenciled block letters and numbers in center of body lining "1732B / 40." 

Exterior blue wool in good condition with scattered mothing and light soil. Interior lining lightly soiled with some tears and wear, particularly at left shoulder and near left sleeve, and with approx. 2 1/2 in. diameter black residue on back of coat near neck, possibly black paint. Overall coat in good condition for a jacket with period use.