New Jersey politician (1853–1930) who served in Congress and as New York City Police Commissioner. Original 4 x 6.5 deckle-edge cabinet photo by C. M. Bell of Washington, D. C., signed in the lower border in black ink, “Very sincerely yours, Wm. McAdoo.” In fine condition, with some scattered light soiling to lower border and small crease to top left corner tip. RR Auction COA.