Photo crop exposure date: unknown.
Exposure date (or window) of subject photo: 1858-1877
Subject: Photo crop of Main Plaza. View is SSE from a point within the plaza. The French Building (1858) at the corner of Dwyer and Dolorosa provides one frame of the exposure window, that no such mercantile enterprise as advertised on the south wall of the building on the south side of the plaza, appears in the city directory which begins publishing in 1877, provides the other.