Ambrotype in a case, of seven men, identified as prominent San Francisco businessmenPalmquist, Peter E. (1936-2003)circa 1855-56engWhole-plate clear glass ambrotype with asphaltum backing (tissue adhered); mat missing; partial sealFull brown leather case with geometric and scroll motif; imprint on velvet pad of case, "R.H. VANCE'S / PREMIUM DAGUERREAN GALLERIES / SAN FRANCISCO / SACRAMENTO / MARYSVILLE"Possible identifications for individuals include, top row, from left to right, the first man, Cornelius Cole, John D. Fry, or Charles Bull Crocker; second man, William C. Ralston or Henry Huntley Haight; third man, Cornelius Kingsland Garrison or Thomas H. Selby; bottom row, left to right, first man, Ben Holladay or Joseph W. Winans; second man, William Walker or Ogden Hoffman; third man, William Tecomseh Sherman, Darius Ogden Mills, or William Sharon; fourth man, Henry Huntley Haight, Edward J. C. Kewen, or Sam Ralston