Folder: S.F. Businesses-Ghirardelli & Danzel.
Printed on back: "Survivor of the 1906 fire. This building at 415 Jackson Street was the location of one of the telephones connected to the first telephone exchange. The subscriber was listed as 'Ghirardelli & Danzel, Coffee & Spice.' Nearly all early-day telephone subscribers were business firms.".
Negative #9889