Shoulder strap 4" x 1.6" overall with .35" wide gold bullion boarder and nominally .62" x .25" individual bars arranged for captain's insignia. Backing material appears to be black wool broadcloth. Rear of strap with four collar hook style attachments. Eagle Hat badge nominally 2.44" tall by 1.65" wide. Brass wire attachment hook on rear face. Eagle with "red" eye. Consignor notes indicate these pieces of insignia belonged to Captain George W. Rockwood of the 15th Massachusetts Infantry. Rockwood was captured at Ball's Bluff on October 21, 1861 and was paroled on February 21, 1862. No provenance is included.