Scott Catalog # : 2969 - 2973 / Fleetwood First Day Covers
Set includes: 2969 Split Rock, Lake Superior / 2970 St. Joseph, Lake Michigan / 2971 Spectacle Reef, Lake Huron / 2972 Marblehead, Lake Erie and 2073 30 Mile Point, Lake Ontario.
Have description of the stamp subject printed on the back.