POST MARK COLLECTORS CLUB - POST OFFICE PHOTOGRAPH COLLECTION
Post Office: Mason City, IA 50401 (Cerro Gordo County)
Date of Photo: circa 1930s
Contributor: Paul E. Petosky, Postmarks from the Past
Comments: Originally established as MASONVILLE on September 5, 1855 with Charles Lutz as its first postmaster. Changed to MASON CITY on November 21, 1855.