Southend-on-Sea currently has 113 mapped postboxes recorded by The Postbox Hunter. The postboxes in Southend-on-Sea include 6 recorded royal cyphers. The most common is EIIR, recorded on 30 postboxes, representing 26.5% of the mapped total. The complete recorded cypher list is: EIIR (30), GR (19), GVIR (16), EVIIR (9), no (1) and VR (1). Among the recognised royal cyphers in the data, VR is the earliest recorded and EIIR is the most recent. The most commonly recorded postbox type is Pillar, with 82 mapped examples. The data contains 3 different recorded postbox types. Across the available tagging data, 7 designs and 1 colour are represented. The most frequently recorded colour is Red, appearing on 5 mapped postboxes. This information is generated from the latest postbox location and tagging data available to The Postbox Hunter.