Letters which the postal department has not been able to deliver to the persons for whom they were intended. They are sent to the “dead-letter office,” where they are opened, and returned to the writer if his address can be ascertained.
Letters which the postal department has not been able to deliver to the persons for whom they were intended. They are sent to the “dead-letter office,” where they are opened, and returned to the writer if his address can be ascertained.