Looking at the north side of Marion St. roughly located at today’s #93. The 1887/88 widening of Beacon St. lopped off a large amount of Armstrong’s land behind the house and it was renumbered as 1405 Beacon St. The cement post on the right remains today.
incl. Streets

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