Park Street Subway station porcelain sign Boston

Park Street Subway is underneath Boston Common. Statehouse is up the street. Granry Cemetery around the corner. Paul Revere and other heroes are buried there. Train's and Trolley's run underground.
I got The sign when they were remodeling the station about 35 40 year's ago.Made by Balto enamel co. New York 200 Fifth Ave. Measures 54 by 15"