"merchants, never heard of now on Change"
Boston Merchants' Exchange
Creative Commons AttributionBoston Merchants' Exchange - Credit: Boston Public Library

Change is an abbreviation for the Boston Merchants’ Exchange, the center for all the city’s financial and business activities. During Hawthorne's time, this was located on State Street in a building designed by Isaiah Rogers (1800-69).

View of the Merchants Exchange, State Street and adjacent buildings, 1842
Creative Commons AttributionView of the Merchants Exchange, State Street and adjacent buildings, 1842 - Credit: Boston Public Library