Collection title devised by cataloger.
Certificate for Newark Silver Mining Co. has printed note "incorporated March 1872," space for date with printed year "187_," and cartouche in upper left for printed number.
Certificate for California Fertilizing Company has printed note "incorporated November 1st 1875," space for date with printed year "187_," and banner in upper right for printed number.
G.T. Brown & Co. Lith. was operated by Grafton Tyler Brown, the first African American lithographer on the West Coast.