U.S. Scott 842 Prexie/Prexy paying the 3 cent first-class rate on a Detroit, Michigan cover mailed on October 10, 1947 to a sausage company in Detroit. The cover was initially placed in the mail without a stamp as evidenced by a "Returned for Postage" marking. The cover has the advertising corner card of the Walter Neef Fine Foods company with a picture of the company's building. There is a tear in the upper right corner (see scans).