DescriptionFirst day cover for opening of new Hoboken main post office building, Hoboken, Jan. 28, 1933. 3-5/8" high x 6-1/2" wide. Addressed to H.E. Briggs, N.Y. City. Text: "The Mile Square City." "Educational and Industrial Center, Seaport and Railroad Terminus" "First Day of the New Post Office Bldg, January 28, 1928, Chamber of Commerce."