Private boxes emptied by Royal Mail would not have to hold a cypher. Royal Mail write-up boxes made due to the fact 1994 carry the wording 'Royal Mail', Generally over the aperture (lamp boxes) or on the doorway (pillar boxes). Right before this date all publish boxes, excluding the Nameless https://letterboxes-melbourne64207.blogpostie.com/50243986/letter-boxes-for-sale-no-further-a-mystery