Beacon St. is running along the left border of the photo, the turn onto Pleasant is just visible in the foreground. On the left, in the distance, is the Coolidge & Brother store.

From the 1887 photo series taken just before the widening of Beacon St., most likely by Augustine H. Folsom, a Boston photographer.
incl. Streets

[Courtesy of the Digital Commonwealth (CC BY-NC-ND). From the Brookline Photograph Collection published by the Public Library of Brookline]