150 Diff. IA Postmarks (Cancels):Selma,Sergeant Bluff,Seymour,Shannon City,+

150 all different Iowa Postmarks, many pre-zipcodes: Sharpsburg, Sheffield, Shelby, Sheldon, Shell Rock, Shellsburg, Shenandoah, Sherrill, Sibley, Sidney, Sigourney, Silver City, Sioux Center, Sioux City, -Leeds Sta., -Morningside Sta., -Stock Yds. Sta., Sioux Rapids, Slater, Sloan, Smithland, Soldier, Solon, Somers, South Amana, etc.. These are all cut 2" x 4" except 6 that are cut smaller. See scan.� If you are interested in post marks, go to the PMCC (Post Mark Collectors Club) � website, , for more information.