North Pole Mail Box for nostalgic letter

The North Pole, also known as the Geographic North Pole or Terrestrial North
Pole, is (subject to the caveats explained below) defined as the point in
the Northern Hemisphere where the Earth's axis of rotation meets its surface. The mailbox is a slot, usually covered with a hinged flap, through which letters, etc, are delivered to a building. Through it gets a letter from a remote area and become