403
forwarded between the places named by the said United States Mail Packets must be specially). addressed;
to be so sent.
7 The letters, book packets and,
packets
of patterns shall be marked with a Stamp the Office of dispatch
at
indicating the
date
of posting,
and at the Office of receipt showing
the date
Office.
of its receipt
at such
8. Each of the mails exchanged
between the respective Post Offices
shall be accompanied by a Letter Bill showing the number of Letters, Newspapers, Book packets and packets of patterns .
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