U.S. Scott 3 cent Washington Type III 1st Bureau issue on advertising cover for F. A. Davis Company in Philadelphia, Pennsylvania. The cover was mailed from Philadelphia Station A on December 9, 1895 to Unity Station, Pennsylvania. The advertisement says that the Davis Company were "MEDICAL PUBLISHERS" and goes into detail about their publications. There are Verona, Pennsylvania and Unity Station receiving marks on the reverse dated December 10th and 11th, respectively. There is a Barry machine cancel on the front. If you purchase multiple lots on the same day (excluding specified large items, collections, and accumulations), wait for our invoice before paying as we will discount the shipping charges.