U.S. Scott 720, the 3 cent Washington issue, paying the 3 cent first class rate on a 2-sided ad cover sent from Jackson, Michigan to Chicago, Illinois. Mailed on May 16, 1938. Has advertisement for the Hotel Hayes in Jackson. Some toning at seams on reverse (see scan) which pictures the front of the hotel with an automobile parked in front. If you purchase multiple lots that total $15 or more on the same day (excluding specified large items, collections, and accumulations), wait for our invoice before paying as we will waive the shipping charges.