Elizabeth II postbox (BT5 269D) on the Albertbridge Road, Belfast. Last seen in J3573 : Pillar box, Belfast. Of note is that the box is fitted with an aperture reducing plate - these were once common in Northern Ireland to prevent parcel bombs but are rare now. See Link (Archive Link ) for a related image and explanation - a cast iron pillar box can be a lethal weapon. See also J3573 : Pillar box, Belfast.