Dunoon currently has 17 mapped postboxes recorded by The Postbox Hunter. The postboxes in Dunoon include 5 recorded royal cyphers. The most common is GR, recorded on 4 postboxes, representing 23.5% of the mapped total. The complete recorded cypher list is: GR (4), scottish_crown (4), VR (4), EVIIR (1) and GVIR (1). Among the recognised royal cyphers in the data, VR is the earliest recorded and GVIR is the most recent. The most commonly recorded postbox type is Wall, with 10 mapped examples. The data contains 3 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.