This postcard offers a somewhat unusual view of the Twin Lights of Thacher Island. Closest of the two is the southern lighthouse, which today is owned by the town of Rockport. The chimney sticking up just to the left of it was for the fog whistle. The northern lighthouse is farther away, to the left. Today, it is owned by the U.S. Fish and Wildlife Service and maintained as a National Wildlife Refuge.
This postcard was published by Arthur N. Burke of Waltham, Mass. As I noted previously, Burke was a teacher in Waltham and then, for many years, the principal of Waltham High School. He often spent his summers in Rockport.