In addition to the labor costs, this method was prone to mismatches, where the address on the letter header within would not be the same as the address upon the envelope.
Mary Callahan Erdoes | Callahan | Callahan's Crosstime Saloon | Vince Callahan | Sonny Callahan | Joseph T. O'Callahan | John F. Callahan | Errett Callahan | David Callahan | William F. Callahan | Nixey Callahan | Nancy Callahan | Mushy Callahan | Michael Callahan | Macho Callahan | K. J. Callahan | John Ross Callahan | John B. Callahan | Jay O'Callahan | Callahan's | Americus, Georgia | Americus |