Sullivan Square Elevated Station - Interior

Front:
670 HIGHLAND AVE SOMERVILLE NOTICE UNS/ WH CROSSING TRACK *** wa TRESPASSERS AND PROSECUTED. NOTICE BOSTON, MASS. NOTICE RUNNING AGAINST OTHERS PUSHING OTHER DISORDERLY CONDUCT PROHIBITED PASSENGERS MUST CONDUCT THEMSELVES DUE REGARD RIGHTS SAFETY OTHERS. INTERIOR SULLIVAN SQUARE ELEVATED STATION ***

Back:
3. E. 52 Mason Bros. & Co., Boston, Mass. Post Card.