Abstract A mounted photograph showing a large group of people, including Andrew Carnegie (1835-1919) and Andrew James Copp, Jr. (1880-1971), seated at a Los Angeles Chamber of Commerce banquet in 1910. The photograph is captioned: "Mr. Andrew Carnegie / Honored Guest L.A.C of C. [Los Angeles Chamber of Commerce] / Mch. 22, 1910." The board that the photograph is mounted on measures 13.75 by 18 inches and is branded "Prince [or Prines?] / 307 S. Broadway, Los Angeles." The photograph was donated with...