U.S. Scott 815 (2 copies) and 841 (2 copies-pair) Prexies/Prexys paying the 15 cent registration fee, 3 cent return receipt fee, and 6 cent airmail rate for a letter weighing up to one ounce sent from Emeryville, California to Denver, Colorado. Mailed on August 10, 1943 and received in Emeryville on December 18, 1943. Cover contains the corner card of the Shell Deelopment Company in Emneryville and contains the familiar Shell logo. There is a tear on back where opened and staple holes at bottom left but otherwise is in very good condition. If you purchase stamps from us totaling over $15 on the same day (with the exception of specified excluded items), we will waive the shipping charge.