Johnstone currently has 9 mapped postboxes recorded by The Postbox Hunter. The postboxes in Johnstone include 2 recorded royal cyphers. The most common is GR, recorded on 3 postboxes, representing 33.3% of the mapped total. The complete recorded cypher list is: GR (3) and scottish_crown (1). The most commonly recorded postbox type is Pillar, with 2 mapped examples. The data contains 2 different recorded postbox types. Across the available tagging data, 2 designs are represented. This information is generated from the latest postbox location and tagging data available to The Postbox Hunter.