U.S. Scott 815 and 811 Prexies/Prexys paying the 6 cent airmail rate and 10 cent special delivery fee. The letter was mailed from Acme Fast Freight in Philadelphia, Pennsylvania to Seattle, Washington on March 17, 1943. The cover has the advertising corner card of Acme Fast Freight and a patriotic cachet that shows a worker, Uncle Sam's hat, and says "DEFEND AMERICAN FREEDOM IT'S EVERYBODY'S JOB". There is also a "Fee Claimed By Office of First Address" handstamp on front and a Seattle receiving backstamp date March 19th on the reverse. Some creasing in middle not affecting stamps (see scans).