Written on back: "American Can Co. new plant; Ribbon cutting - 3rd st + 20th st. LR F. H. Walrond V. P. Canners League; Geo Ososke, Cal State Brewers; R. C. Stolk Vice Pres. of A. C.; Miss Jeanne Kessey, Miss S. F. 55; Geo Christopher mayor; Thomas Mellon Pres. of C. of Commerce; E. A. Green, Pres. of S. F. Milk Council; Gil Holman; William Buzick."