Courthouse and Jail Entrance, Pittsburgh, PA (H. H. Richardson, 1838-1886, Architect)Artwork Info About the Artist circa 1880 Albumen print mounted to period board Annotated, in ink and pencil, with blindstamp, au mount recto Annotated, in pencil and ink, with title label, adhered, au mount verso Ref# MR05 Printed circa 1880 When an images photographer is unknown, the subject matter determines its significance as a collectible work of art. Interesting vernacular images without any historical significance are often described as found