Portrait of an Unidentified United States Capitol Police Officer by C.M. Bell of Washington, D.C. (1800′s)

Portrait of an unidentified United States Capitol Police officer by C.M. Bell of Washington, D.C., c. 1800′s.

Source: Library of Congress.

“Spanish Civil Guards Examining the Corpse of a Famous Brigand” (1902)

“Spanish Civil Guards examining the corpse of a famous brigand,” c. 1902. By Canovas. From Black and White Illustrated Budget.

Hand-Colored Daguerreotype Portrait of a New York City Policeman (1850)

Hand-colored daguerreotype portrait of a New York City policeman, c. 1850.

Source.