Union officer and a commander of the famed Iron Brigade. He lost almost 80 percent of his men at Gettysburg, as well as his right leg. Original 4 x 6.5 cabinet photo, signed in black ink under the image, “Wm. W. Dudley,” with date of photo and his military information added in another hand to the bottom border. Backing having been removed and some scattered light toning, otherwise fine condition. RR Auction COA.