Non-public boxes emptied by Royal Mail don't have to carry a cypher. Royal Mail post boxes produced considering the fact that 1994 carry the wording 'Royal Mail', Usually earlier mentioned the aperture (lamp boxes) or around the doorway (pillar boxes). In advance of this date all publish boxes, except for https://fernandonhlds.blogdanica.com/28038421/the-definitive-guide-to-letterboxes-melbourne