DescriptionHoboken Centennial, 1855-1955, commemorative postal cachet, envelope, postmarked Hoboken, March 28, 1955. 3-5/8" high x 6-1/2" wide. Two copies; both canceled; one addressed (Mrs. Adam J. Siodlowski, R.N., 108 10th St., Hoboken, New Jersey.) A competition for this first day cover design was sponsored by the Kiwanis Club. Text at bottom of artwork: Sponsored by the Kiwanis Club of Hoboken, N.J.