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.

Hand-Colored Tintype Portrait of an Unidentified Policeman

Hand-colored tintype portrait of an unidentified policeman.

Source.

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

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

Source.