Carte de visite photograph depicting American actor William Warren, by Black & Case, Boston. The seated actor is posed three-quarter length wearing a dark coat over a light waistcoat, with one hand resting on his knee and the other at his side. A curtain drape appears at right, and the plain studio backdrop emphasizes the sitter’s face and formal attire. The mount is printed “Black & Case” at lower left and “Boston” at lower right. The sitter is identified in pencil on the verso as “William Warren Boston Museum.” William Warren was a prominent American stage actor associated with the Boston Museum theater, where he performed for many years in leading comedic and character roles. The verso also bears the studio imprint “Black & Case Photographic Artists, 163 & 173 Washington St., Boston.”