US CIVIL WAR PERIOD UNION BUMMERS CAP, OFFICERS, blue wool 6 ¼’ tall in rear & 5 ½’ in front & the diameter on top is 5′, a black patent leather visor which extends 1 5/8’s’ & has a matching chin-strap having ‘I’ Infantry eagle side-buttons, has a black satin lining w/ a loose makers label ‘Sam Sturgis / Hat Maker, / opposite the Golden Key / Fore Street Boston’. Its dark leather sweatband is 1 ½’ wide, on front is a 2 ¾’ x 1 ¾’ black velour oval w/ a gold bullion oakleaf & ‘U.S.’ in silver bullion, has some period repairs & fairly bad mothing, still a good look, G. – G+