Mamaux Building located at 123 First Avenue in downtown Pittsburgh, Pennsylvania, was built circa 1865. This Italianate style building was added to the List of City of Pittsburgh historic designations on July 27, 1995.
Mamaux Building located at 123 First Avenue in downtown Pittsburgh, Pennsylvania, was built circa 1865. This Italianate style building was added to the List of City of Pittsburgh historic designations on July 27, 1995. (en)
Mamaux Building located at 123 First Avenue in downtown Pittsburgh, Pennsylvania, was built circa 1865. This Italianate style building was added to the List of City of Pittsburgh historic designations on July 27, 1995. (en)